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<? $prefix2op = array('53' => 1, '54' => 2, '55' => 3, '50' => 3); function getDefaultOp($number) { global $prefix2op; $op3 = (int) substr($number, 0, 3); if (!($op3 >= 505 && $op3 <= 507)) return 0; $s = substr($number, 0, 2); return $prefix2op[$s]; } $a = array(); for($i = 0; $i < 10000; $i++){ $a[] = getDefaultOp(5073456108 + $i); } ?>
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, 7.1.25 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.31, 7.4.0 - 7.4.25, 7.4.27 - 7.4.32, 8.0.0 - 8.0.12, 8.0.14 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
<? $prefix2op = array('53' => 1, '54' => 2, '55' => 3, '50' => 3); function getDefaultOp($number) { global $prefix2op; $op3 = (int) substr($number, 0, 3); if (!($op3 >= 505 && $op3 <= 507)) return 0; $s = substr($number, 0, 2); return $prefix2op[$s]; } $a = array(); for($i = 0; $i < 10000; $i++){ $a[] = getDefaultOp(5073456108 + $i); } ?>
Output for 5.4.0 - 5.4.45, 5.5.0 - 5.5.35, 5.6.0 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.10, 7.3.32 - 7.3.33, 7.4.26, 7.4.33, 8.0.13

preferences:
294.36 ms | 403 KiB | 389 Q