Online PHP editor | output for AYTMB

@ 2014-09-26T10:15:45Z

<?php
$numeric_fails = 0; $non_numeric_fails = 0; $iterations = 5000;
$results = array(
'Numeric Equal' => NULL,
'Non-numeric Equal' => NULL,
'Numeric Fail' => NULL,
'Non-numeric Fail' => NULL
);

for ($i = 0; $i < $iterations; $i++) {
  $my_key = uniqid("\x00");

  $var = array();
  $var[$my_key] = TRUE;

  foreach ($var as $key => $val) {
    if ($key === $my_key) {
      if (is_numeric($my_key)) {
        $results['Numeric Equal'] = TRUE;
      } else {
        $results['Non-numeric Equal'] = TRUE;
      }
    } else {
      if (is_numeric($my_key)) {
        $results['Numeric Fail'] = TRUE;
      } else {
        $results['Non-numeric Fail'] = TRUE;
      }
    }
  }
}
var_dump($results);

Output for 4.3.0 - 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, 5.5.25 - 5.5.28, 5.5.30 - 5.5.34, 5.6.7 - 5.6.11, 5.6.13 - 5.6.17, 5.6.19 - 5.6.20, 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.25, 7.2.0 - 7.2.13, 7.3.0 - 7.3.1: array(4) { ["Numeric Equal"]=> NULL ["Non-numeric Equal"]=> bool(true) ["Numeric Fail"]=> NULL ["Non-numeric Fail"]=> NULL }
Output for 5.5.24, 5.5.29, 5.5.35, 5.6.12, 5.6.21: array(4) { ["Numeric Equal"]=> bool(true) ["Non-numeric Equal"]=> bool(true) ["Numeric Fail"]=> bool(true) ["Non-numeric Fail"]=> NULL }
Output for 5.6.18: array(4) { ["Numeric Equal"]=> bool(true) ["Non-numeric Equal"]=> bool(true) ["Numeric Fail"]=> NULL ["Non-numeric Fail"]=> NULL }

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