3v4l.org

run code in 300+ PHP versions simultaneously
<?php     $START = time();     $foo['bar'] = "test";     for ($i = 0; $i < 10000000; ++$i) {         if ($foo['bar'] == "test") {             $j = 0;         }     }     $END = time() - $START;     echo "Array took $END seconds\n";     $START = time();     $testvar = $foo['bar'];     for ($i = 0; $i < 10000000; ++$i) {         if ($testvar == "test") {             $j = 0;         }     }    $END = time() - $START;    echo "Var took $END seconds\n";
Output for 5.3.0 - 5.3.29, 7.2.29 - 7.2.33, 7.3.16 - 7.3.31, 7.4.3 - 7.4.32, 8.0.0 - 8.0.12, 8.0.14 - 8.0.30, 8.1.0 - 8.1.27, 8.2.0 - 8.2.17, 8.3.0 - 8.3.4
<?php     $START = time();     $foo['bar'] = "test";     for ($i = 0; $i < 10000000; ++$i) {         if ($foo['bar'] == "test") {             $j = 0;         }     }     $END = time() - $START;     echo "Array took $END seconds\n";     $START = time();     $testvar = $foo['bar'];     for ($i = 0; $i < 10000000; ++$i) {         if ($testvar == "test") {             $j = 0;         }     }    $END = time() - $START;    echo "Var took $END seconds\n";
Output for 8.0.13
Parse error: syntax error, unexpected variable "$START " in /in/qvZ07 on line 2
Process exited with code 255.
Output for 5.4.0 - 5.4.31, 7.3.32 - 7.3.33, 7.4.33
Parse error: syntax error, unexpected '$START ' (T_VARIABLE) in /in/qvZ07 on line 2
Process exited with code 255.

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