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run code in 300+ PHP versions simultaneously
<?php $a = $_POST['a'] = '<?php nextpart ()?>;'; $b= $_POST['b'] = '>;'; echo $a."\n"; echo $b."\n"; echo (($a * $b) . '')."\n"; $f = (($a * $b) . ''); echo gettype($f)."\n"; echo (!is_numeric(($a * $b) . '')) ? "yes right way \n":"not number...\n"; echo (($a * $b) != INF) ? "YES infinite.. \n":"NOt inf ... \n"; if(!is_numeric (($a * $b) . '') && (($a * $b) != INF)) { echo "good\n"; }else{echo "WRONG...\n";}
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.27, 8.2.0 - 8.2.17, 8.3.0 - 8.3.4
<?php nextpart ()?>; >; Fatal error: Uncaught TypeError: Unsupported operand types: string * string in /in/IR3Qe:7 Stack trace: #0 {main} thrown in /in/IR3Qe on line 7
Process exited with code 255.
Output for 7.1.0 - 7.1.25, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33
<?php nextpart ()?>; >; Warning: A non-numeric value encountered in /in/IR3Qe on line 7 Warning: A non-numeric value encountered in /in/IR3Qe on line 7 0 Warning: A non-numeric value encountered in /in/IR3Qe on line 8 Warning: A non-numeric value encountered in /in/IR3Qe on line 8 string Warning: A non-numeric value encountered in /in/IR3Qe on line 11 Warning: A non-numeric value encountered in /in/IR3Qe on line 11 not number... Warning: A non-numeric value encountered in /in/IR3Qe on line 12 Warning: A non-numeric value encountered in /in/IR3Qe on line 12 YES infinite.. Warning: A non-numeric value encountered in /in/IR3Qe on line 14 Warning: A non-numeric value encountered in /in/IR3Qe on line 14 WRONG...
Output for 4.3.6 - 4.3.11, 4.4.0 - 4.4.9, 5.0.0 - 5.0.5, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.24 - 5.5.35, 5.6.7 - 5.6.28, 7.0.0 - 7.0.20
<?php nextpart ()?>; >; 0 string not number... YES infinite.. WRONG...
Output for 4.3.0 - 4.3.5
<?php nextpart ()?>; >; 0 string not number... Notice: Use of undefined constant INF - assumed 'INF' in /in/IR3Qe on line 12 NOt inf ... WRONG...

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