📄 023-1.inc
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<html><head><?php/* the point of this file is to intensively test various aspects of * the parser. right now, each test focuses in one aspect only * (e.g. variable aliasing, arithemtic operator, various control * structures), while trying to combine code from other parts of the * parser as well. */?>*** Testing assignments and variable aliasing: ***<br><?php /* This test tests assignments to variables using other variables as variable-names */ $a = "b"; $$a = "test"; $$$a = "blah"; ${$$$a}["associative arrays work too"] = "this is nifty";?>This should read "blah": <?php echo "$test<br>\n"; ?>This should read "this is nifty": <?php echo $blah[$test="associative arrays work too"]."<br>\n"; ?>*************************************************<br>*** Testing integer operators ***<br><?php /* test just about any operator possible on $i and $j (ints) */ $i = 5; $j = 3;?>Correct result - 8: <?php echo $i+$j; ?><br>Correct result - 8: <?php echo $i+$j; ?><br>Correct result - 2: <?php echo $i-$j; ?><br>Correct result - -2: <?php echo $j-$i; ?><br>Correct result - 15: <?php echo $i*$j; ?><br>Correct result - 15: <?php echo $j*$i; ?><br>Correct result - 2: <?php echo $i%$j; ?><br>Correct result - 3: <?php echo $j%$i; ?><br>*********************************<br>*** Testing real operators ***<br><?php /* test just about any operator possible on $i and $j (floats) */ $i = 5.0; $j = 3.0;?>Correct result - 8: <?php echo $i+$j; ?><br>Correct result - 8: <?php echo $i+$j; ?><br>Correct result - 2: <?php echo $i-$j; ?><br>Correct result - -2: <?php echo $j-$i; ?><br>Correct result - 15: <?php echo $i*$j; ?><br>Correct result - 15: <?php echo $j*$i; ?><br>Correct result - 2: <?php echo $i%$j; ?><br>Correct result - 3: <?php echo $j%$i; ?><br>*********************************<br>*** Testing if/elseif/else control ***<br><?php /* sick if/elseif/else test by Andi :) */$a = 5;if ($a == "4") { echo "This "." does "." not "." work<br>\n";} elseif ($a == "5") { echo "This "." works<br>\n"; $a = 6; if ("andi" == ($test = "andi")) { echo "this_still_works<br>\n"; } elseif (1) { echo "should_not_print<br>\n"; } else { echo "should_not_print<br>\n"; } if (44 == 43) { echo "should_not_print<br>\n"; } else { echo "should_print<br>\n"; }} elseif ($a == 6) { echo "this "."broken<br>\n"; if (0) { echo "this_should_not_print<br>\n"; } else { echo "TestingDanglingElse_This_Should_not_print<br>\n"; }} else { echo "This "."does "." not"." work<br>\n";}?>*** Seriously nested if's test ***<br>** spelling correction by kluzz **<?php /* yet another sick if/elseif/else test by Zeev */$i=$j=0;echo "Only two lines of text should follow:<br>\n";if (0) { /* this code is not supposed to be executed */ echo "hmm, this shouldn't be displayed #1<br>\n"; $j++; if (1) { $i += $j; if (0) { $j = ++$i; if (1) { $j *= $i; echo "damn, this shouldn't be displayed<br>\n"; } else { $j /= $i; ++$j; echo "this shouldn't be displayed either<br>\n"; } } elseif (1) { $i++; $j++; echo "this isn't supposed to be displayed<br>\n"; } } elseif (0) { $i++; echo "this definitely shouldn't be displayed<br>\n"; } else { --$j; echo "and this too shouldn't be displayed<br>\n"; while ($j>0) { $j--; } }} elseif (2-2) { /* as long as 2-2==0, this isn't supposed to be executed either */ $i = ++$j; echo "hmm, this shouldn't be displayed #2<br>\n"; if (1) { $j = ++$i; if (0) { $j = $i*2+$j*($i++); if (1) { $i++; echo "damn, this shouldn't be displayed<br>\n"; } else { $j++; echo "this shouldn't be displayed either<br>\n"; } } else if (1) { ++$j; echo "this isn't supposed to be displayed<br>\n"; } } elseif (0) { $j++; echo "this definitely shouldn't be displayed<br>\n"; } else { $i++; echo "and this too shouldn't be displayed<br>\n"; }} else { $j=$i++; /* this should set $i to 1, but shouldn't change $j (it's assigned $i's previous values, zero) */ echo "this should be displayed. should be: \$i=1, \$j=0. is: \$i=$i, \$j=$j<br>\n"; if (1) { $j += ++$i; /* ++$i --> $i==2, $j += 2 --> $j==2 */ if (0) { $j += 40; if (1) { $i += 50; echo "damn, this shouldn't be displayed<br>\n"; } else { $j += 20; echo "this shouldn't be displayed either<br>\n"; } } else if (1) { $j *= $i; /* $j *= 2 --> $j == 4 */ echo "this is supposed to be displayed. should be: \$i=2, \$j=4. is: \$i=$i, \$j=$j<br>\n"; echo "3 loop iterations should follow:<br>\n"; while ($i<=$j) { echo $i++." $j<br>\n"; } } } elseif (0) { echo "this definitely shouldn't be displayed<br>\n"; } else { echo "and this too shouldn't be displayed<br>\n"; } echo "**********************************<br>\n";}?>*** C-style else-if's ***<br><?php /* looks like without we even tried, C-style else-if structure works fine! */ if ($a=0) { echo "This shouldn't be displayed<br>\n"; } else if ($a++) { echo "This shouldn't be displayed either<br>\n"; } else if (--$a) { echo "No, this neither<br>\n"; } else if (++$a) { echo "This should be displayed<br>\n"; } else { echo "This shouldn't be displayed at all<br>\n"; }?>*************************<br>*** WHILE tests ***<br><?php $i=0;$j=20;while ($i<(2*$j)) { if ($i>$j) { echo "$i is greater than $j<br>\n"; } else if ($i==$j) { echo "$i equals $j<br>\n"; } else { echo "$i is smaller than $j<br>\n"; } $i++;}?>*******************<br>*** Nested WHILEs ***<br><?php $arr_len=3;$i=0;while ($i<$arr_len) { $j=0; while ($j<$arr_len) { $k=0; while ($k<$arr_len) { ${"test$i$j"}[$k] = $i+$j+$k; $k++; } $j++; } $i++;}echo "Each array variable should be equal to the sum of its indices:<br>\n";$i=0;while ($i<$arr_len) { $j=0; while ($j<$arr_len) { $k=0; while ($k<$arr_len) { echo "\${test$i$j}[$k] = ".${"test$i$j"}[$k]."<br>\n"; $k++; } $j++; } $i++;}?>*********************<br>*** hash test... ***<br><?php /*$i=0;while ($i<10000) { $arr[$i]=$i; $i++;}$i=0;while ($i<10000) { echo $arr[$i++]."<br>\n";}*/echo "commented out...";?>**************************<br>*** Hash resizing test ***<br><?php $i = 10;$a = 'b';while ($i > 0) { $a = $a . 'a'; echo "$a<br>\n"; $resize[$a] = $i; $i--;}$i = 10;$a = 'b';while ($i > 0) { $a = $a . 'a'; echo "$a<br>\n"; echo $resize[$a]."<br>\n"; $i--;}?>**************************<br>*** break/continue test ***<br><?php $i=0;echo "\$i should go from 0 to 2<br>\n";while ($i<5) { if ($i>2) { break; } $j=0; echo "\$j should go from 3 to 4, and \$q should go from 3 to 4<br>\n"; while ($j<5) { if ($j<=2) { $j++; continue; } echo " \$j=$j<br>\n"; for ($q=0; $q<=10; $q++) { if ($q<3) { continue; } if ($q>4) { break; } echo " \$q=$q<br>\n"; } $j++; } $j=0; echo "\$j should go from 0 to 2<br>\n"; while ($j<5) { if ($j>2) { $k=0; echo "\$k should go from 0 to 2<br>\n"; while ($k<5) { if ($k>2) { break 2; } echo " \$k=$k<br>\n"; $k++; } } echo " \$j=$j<br>\n"; $j++; } echo "\$i=$i<br>\n"; $i++;}?>***********************<br>*** Nested file include test ***<br><?php include("023-2.inc"); ?>********************************<br><?php { echo "Tests completed.<br>\n"; # testing some PHP style comment...}?>⌨️ 快捷键说明
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