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run code in 300+ PHP versions simultaneously
<?php echo "Should pass" . PHP_EOL; var_dump(to_int("0")); var_dump(to_int(0)); var_dump(to_int(0.0)); var_dump(to_int("0.0")); var_dump(to_int("10")); var_dump(to_int(10)); var_dump(to_int(10.0)); var_dump(to_int("10.0")); echo "Should fail" . PHP_EOL; var_dump(to_int(1.5)); var_dump(to_int("1.5")); var_dump(to_int("75e-5")); var_dump(to_int("31e+7")); var_dump(to_int("10abc")); var_dump(to_int("abc10")); var_dump(to_int(INF)); var_dump(to_int(-INF)); var_dump(to_int(NAN)); var_dump(to_int(PHP_INT_MAX * 2)); var_dump(to_int(null)); var_dump(to_int(true)); var_dump(to_int(false)); var_dump(to_int(new stdClass())); var_dump(to_int(fopen("data:text/html,foobar", "r"))); var_dump(to_int([])); /** * Returns the value as an int, or false if it cannot be safely cast * @param mixed $val * @return int */ function to_int($val) { switch (gettype($val)) { case "integer": return $val; case "double": if ($val === (float) (int) $val) { return (int) $val; } else { return false; } case "string": $val = trim($val, " \t\n\r\v\f"); // trim whitespace $float = filter_var($val, FILTER_VALIDATE_FLOAT); return ($float !== false && (int) $val == $float) ? (int) $val : false; default: return false; } }
Output for 8.5.0 - 8.5.1
Should pass int(0) int(0) int(0) int(0) int(10) int(10) int(10) int(10) Should fail bool(false) bool(false) bool(false) int(310000000) bool(false) bool(false) Warning: The float INF is not representable as an int, cast occurred in /in/jSTon on line 48 bool(false) Warning: The float -INF is not representable as an int, cast occurred in /in/jSTon on line 48 bool(false) Warning: The float NAN is not representable as an int, cast occurred in /in/jSTon on line 48 bool(false) Warning: The float 1.8446744073709552E+19 is not representable as an int, cast occurred in /in/jSTon on line 48 bool(false) bool(false) bool(false) bool(false) bool(false) bool(false) bool(false)
Output for 8.4.15
/bin/php-8.4.15: /usr/lib/libm.so.6: version `GLIBC_2.38' not found (required by /bin/php-8.4.15) /bin/php-8.4.15: /usr/lib/libm.so.6: version `GLIBC_2.35' not found (required by /bin/php-8.4.15) /bin/php-8.4.15: /usr/lib/libc.so.6: version `GLIBC_2.34' not found (required by /bin/php-8.4.15) /bin/php-8.4.15: /usr/lib/libc.so.6: version `GLIBC_2.38' not found (required by /bin/php-8.4.15)
Process exited with code 1.
Output for 7.1.0 - 7.1.33, 7.2.0 - 7.2.34, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.33, 8.2.0 - 8.2.29, 8.3.0 - 8.3.28, 8.4.1 - 8.4.14
Should pass int(0) int(0) int(0) int(0) int(10) int(10) int(10) int(10) Should fail bool(false) bool(false) bool(false) int(310000000) bool(false) bool(false) bool(false) bool(false) bool(false) bool(false) bool(false) bool(false) bool(false) bool(false) bool(false) bool(false)
Output for 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.40, 7.0.0 - 7.0.33
Should pass int(0) int(0) int(0) int(0) int(10) int(10) int(10) int(10) Should fail bool(false) bool(false) bool(false) bool(false) bool(false) bool(false) bool(false) bool(false) bool(false) bool(false) bool(false) bool(false) bool(false) bool(false) bool(false) bool(false)
preferences:
161.72 ms | 412 KiB | 5 Q