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run code in 300+ PHP versions simultaneously
<?php $aa = $_POST['a'] = '6898557993159892'; $bb= $_POST['b'] = '222.0'; echo "\n".$a."\n"; echo "\n".$b."\n"; echo (!is_numeric(($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 git.master, git.master_jit, rfc.property-hooks
Warning: Undefined variable $a in /in/5oaFf on line 5 Warning: Undefined variable $b in /in/5oaFf on line 6 Warning: Undefined variable $a in /in/5oaFf on line 8 Warning: Undefined variable $b in /in/5oaFf on line 8 not number... Warning: Undefined variable $a in /in/5oaFf on line 9 Warning: Undefined variable $b in /in/5oaFf on line 9 YES infinite.. Warning: Undefined variable $a in /in/5oaFf on line 11 Warning: Undefined variable $b in /in/5oaFf on line 11 WRONG...

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