3v4l.org

run code in 300+ PHP versions simultaneously
<?php if (!function_exists('json_encode')) { function json_encode($it) { if (!($assoc = is_object($it)) && !is_array($it)) { return _js_enc_value($it); } $i = 0; $it = (array)$it; if (!$assoc) { foreach ($it as $k => $v) { if ($k !== $i) { $assoc = true; break; } $i++; } } $data = array(); foreach ($it as $k => $v) { $v = _js_enc_value($v); if ($assoc) { $k = _js_enc_value($k); $data[] = $k . ':' . $v; } else { $data[] = $v; } } if ($assoc) { $bl = '{'; $br = '}'; } else { $bl = '['; $br = ']'; } return $bl . implode(',', $data) . $br; } function _js_enc_value($value) { switch (true) { case is_array($value): case is_object($value): return json_encode($value); case is_bool($value): return $value ? 'true' : 'false'; case $value === null: case is_resource($value) && _js_error(): return 'null'; case is_string($value): return '"' . _js_uc_esc($value) . '"'; default: return $value; } } function _js_error() { return trigger_error( 'json_encode(): type is unsupported, encoded as null', E_USER_WARNING ); } function _js_uc_esc($value) { $pattern = sprintf("@[\a\b\f\n\r\t\"'/]|([^\x09\x0A\x0D\x20-\x7E|]{3}|\\0|%s)+@", chr(11) ); return preg_replace_callback($pattern, '_js_uc_esc_cb', $value); } function _js_uc_esc_cb($matches) { switch (true) { case isset($matches[1]): $char = mb_convert_encoding($matches[0], 'UTF-16', 'UTF-8'); $str = ''; $len = strlen($char); for ($i = 0; $i < $len; $i += 2) { $str .= sprintf('\\u%02x%02x', ord($char[$i]), ord($char[$i + 1]) ); } return $str; default: return addcslashes($matches[0], "\f\n\r\t\"'/"); } } } echo json_encode(array('&/"\''=>"\0\f\n\r\t" . chr(11)));

Here you find the average performance (time & memory) of each version. A grayed out version indicates it didn't complete successfully (based on exit-code).

VersionSystem time (s)User time (s)Memory (MiB)
8.3.60.0080.00816.75
8.3.50.0140.00918.16
8.3.40.0140.00718.74
8.3.30.0090.00618.74
8.3.20.0060.00318.56
8.3.10.0060.00318.77
8.3.00.0090.00019.38
8.2.180.0150.00616.63
8.2.170.0090.00622.96
8.2.160.0060.01318.91
8.2.150.0040.00424.18
8.2.140.0080.00024.66
8.2.130.0080.00026.16
8.2.120.0060.00321.11
8.2.110.0070.00322.20
8.2.100.0080.00417.91
8.2.90.0030.00517.97
8.2.80.0040.00417.97
8.2.70.0000.00817.61
8.2.60.0030.00618.04
8.2.50.0040.00418.07
8.2.40.0040.00418.34
8.2.30.0000.00718.12
8.2.20.0040.00417.82
8.2.10.0080.00017.75
8.2.00.0040.00417.67
8.1.280.0160.00325.92
8.1.270.0060.00323.99
8.1.260.0000.00726.35
8.1.250.0080.00028.09
8.1.240.0060.00320.88
8.1.230.0090.00321.04
8.1.220.0030.00617.78
8.1.210.0000.00819.07
8.1.200.0030.00617.35
8.1.190.0050.00317.65
8.1.180.0000.00818.10
8.1.170.0000.00819.09
8.1.160.0000.00818.88
8.1.150.0040.00418.65
8.1.140.0040.00417.52
8.1.130.0040.00417.69
8.1.120.0040.00417.47
8.1.110.0040.00417.43
8.1.100.0050.00317.51
8.1.90.0000.00817.43
8.1.80.0070.00017.46
8.1.70.0000.00717.47
8.1.60.0040.00417.64
8.1.50.0040.00417.50
8.1.40.0080.00017.55
8.1.30.0080.00017.70
8.1.20.0000.00817.70
8.1.10.0030.00517.61
8.1.00.0000.00817.49
8.0.300.0000.00919.96
8.0.290.0040.00416.75
8.0.280.0030.00318.36
8.0.270.0050.00317.26
8.0.260.0070.00016.81
8.0.250.0050.00216.96
8.0.240.0040.00416.99
8.0.230.0050.00316.93
8.0.220.0030.00316.79
8.0.210.0080.00016.93
8.0.200.0070.00016.94
8.0.190.0030.00317.02
8.0.180.0060.00316.83
8.0.170.0040.00416.77
8.0.160.0030.00516.89
8.0.150.0030.00616.83
8.0.140.0080.00016.89
8.0.130.0030.00313.41
8.0.120.0030.00516.82
8.0.110.0040.00416.69
8.0.100.0040.00416.75
8.0.90.0050.00216.97
8.0.80.0070.01316.82
8.0.70.0050.00316.96
8.0.60.0080.00016.93
8.0.50.0080.00016.76
8.0.30.0150.00317.26
8.0.20.0120.00816.94
8.0.10.0070.00016.96
8.0.00.0080.01216.78
7.4.330.0000.00713.03
7.4.320.0000.00616.50
7.4.300.0040.00416.60
7.4.290.0030.00316.49
7.4.280.0030.00516.61
7.4.270.0030.00316.41
7.4.260.0030.00313.33
7.4.250.0060.00316.47
7.4.240.0000.00716.37
7.4.230.0030.00316.49
7.4.220.0070.01316.55
7.4.210.0060.01016.48
7.4.200.0040.00416.35
7.4.190.0040.00416.41
7.4.160.0140.00616.70
7.4.150.0050.01416.88
7.4.140.0100.00716.48
7.4.130.0130.00316.42
7.4.120.0130.00316.34
7.4.110.0030.01416.49
7.4.100.0030.01816.42
7.4.90.0090.00916.49
7.4.80.0060.01319.39
7.4.70.0120.00616.51
7.4.60.0030.01416.62
7.4.50.0030.00616.32
7.4.40.0030.01016.47
7.4.30.0140.00616.63
7.4.00.0060.01014.71
7.3.330.0030.00313.12
7.3.320.0000.00613.08
7.3.310.0000.00716.20
7.3.300.0060.00016.17
7.3.290.0060.01116.30
7.3.280.0110.00616.30
7.3.270.0100.00716.25
7.3.260.0110.00716.60
7.3.250.0130.00616.31
7.3.240.0090.01016.52
7.3.230.0070.01016.49
7.3.210.0100.00716.29
7.3.200.0080.00816.63
7.3.190.0080.00816.61
7.3.180.0030.01616.25
7.3.170.0100.00616.51
7.3.160.0060.01016.32
7.3.120.0100.00314.78
7.2.330.0070.01016.29
7.2.320.0100.01016.49
7.2.310.0080.01616.54
7.2.300.0140.00316.32
7.2.290.0100.01316.54
7.2.00.0060.00919.16
7.1.200.0070.00715.75
7.1.100.0080.00617.76
7.1.70.0040.00417.04
7.1.60.0040.00717.16
7.1.50.0040.01416.62
7.1.00.0000.07722.37
7.0.200.0000.00816.41
7.0.140.0000.07722.18
7.0.120.0070.06322.18
7.0.90.0400.04319.86
7.0.80.0370.04019.92
7.0.70.0330.04319.93
7.0.60.0370.03019.98
7.0.50.0400.04320.34
7.0.40.0000.04020.14
7.0.30.0030.05020.13
7.0.20.0100.03020.13
7.0.10.0000.04320.03
7.0.00.0000.04020.18
5.6.280.0130.06721.09
5.6.240.0030.04020.63
5.6.230.0070.03320.47
5.6.220.0000.04320.53
5.6.210.0130.03320.64
5.6.200.0030.06321.16
5.6.190.0230.02721.04
5.6.180.0100.06320.98
5.6.170.0100.03320.98
5.6.160.0030.03721.07
5.6.150.0070.03321.04
5.6.140.0030.04321.02
5.6.130.0030.08721.04
5.6.120.0130.05021.13
5.6.110.0070.08721.05
5.6.100.0170.05721.12
5.6.90.0100.08321.08
5.6.80.0030.09020.44
5.6.70.0100.07720.41
5.6.60.0100.08020.52
5.6.50.0100.06020.52
5.6.40.0070.07320.33
5.6.30.0070.07320.48
5.6.20.0130.04720.50
5.6.10.0170.06020.30
5.6.00.0030.08320.53
5.5.380.0030.04020.31
5.5.370.0000.04320.31
5.5.360.0030.04320.41
5.5.350.0000.04320.38
5.5.340.0000.04320.81
5.5.330.0030.05320.82
5.5.320.0100.03720.84
5.5.310.0030.03720.90
5.5.300.0000.04320.88
5.5.290.0130.06720.90
5.5.280.0000.04720.80
5.5.270.0030.08720.93
5.5.260.0070.07720.89
5.5.250.0070.07320.71
5.5.240.0200.06720.32
5.5.230.0030.05320.30
5.5.220.0200.06320.28
5.5.210.0000.04320.17
5.5.200.0130.07720.25
5.5.190.0070.08320.22
5.5.180.0100.04320.10
5.5.160.0070.08020.24
5.5.150.0070.08020.12
5.5.140.0070.07320.23
5.5.130.0030.05320.00
5.5.120.0130.06320.23
5.5.110.0070.04020.27
5.5.100.0130.07720.03
5.5.90.0070.04320.08
5.5.80.0070.07720.08
5.5.70.0070.05020.09
5.5.60.0070.06020.16
5.5.50.0170.06719.95
5.5.40.0030.08320.01
5.5.30.0070.08020.10
5.5.20.0030.04320.01
5.5.10.0230.06320.08
5.5.00.0030.06720.09
5.4.450.0030.08019.38
5.4.440.0030.08019.53
5.4.430.0130.04719.53
5.4.420.0130.06719.20
5.4.410.0000.05019.32
5.4.400.0100.07719.05
5.4.390.0000.08018.85
5.4.380.0100.07019.20
5.4.370.0030.08019.14
5.4.360.0030.05319.03
5.4.350.0100.07319.21
5.4.340.0100.05319.03
5.4.320.0030.07319.14
5.4.310.0130.06318.87
5.4.300.0100.07019.12
5.4.290.0030.05719.09
5.4.280.0130.03719.20
5.4.270.0030.07719.03
5.4.260.0270.03318.95
5.4.250.0070.04718.89
5.4.240.0100.08019.12
5.4.230.0170.05019.02
5.4.220.0170.04319.17
5.4.210.0000.08019.11
5.4.200.0100.06319.15
5.4.190.0030.06019.02
5.4.180.0030.05719.13
5.4.170.0000.08318.99
5.4.160.0030.07719.11
5.4.150.0100.04019.06
5.4.140.0100.04716.40
5.4.130.0070.03316.34
5.4.120.0030.08016.46
5.4.110.0100.06716.57
5.4.100.0100.06716.45
5.4.90.0000.08016.38
5.4.80.0070.04316.38
5.4.70.0030.06016.51
5.4.60.0100.07016.45
5.4.50.0130.05316.46
5.4.40.0070.04016.36
5.4.30.0070.06016.25
5.4.20.0070.04716.61
5.4.10.0100.07016.47
5.4.00.0030.04715.89
5.3.290.0070.07714.76
5.3.280.0130.06014.71
5.3.270.0070.05714.61
5.3.260.0100.07314.60
5.3.250.0030.07314.56
5.3.240.0030.06714.60
5.3.230.0100.07014.73
5.3.220.0100.07314.58
5.3.210.0000.05714.62
5.3.200.0170.06314.67
5.3.190.0070.05714.61
5.3.180.0000.05314.73
5.3.170.0070.05314.61
5.3.160.0130.07014.65
5.3.150.0130.07314.61
5.3.140.0000.07714.65
5.3.130.0030.07314.64
5.3.120.0100.07314.57
5.3.110.0070.07714.57
5.3.100.0100.07714.11
5.3.90.0070.07713.97
5.3.80.0030.07313.97
5.3.70.0200.06013.93
5.3.60.0130.07014.14
5.3.50.0030.07713.98
5.3.40.0070.05014.01
5.3.30.0070.05013.99
5.3.20.0130.06713.74
5.3.10.0070.07013.57
5.3.00.0130.04713.76
5.2.170.0030.06711.30
5.2.160.0070.04711.29
5.2.150.0030.06711.21
5.2.140.0000.06711.13
5.2.130.0100.05311.13
5.2.120.0030.06011.07
5.2.110.0100.05711.25
5.2.100.0030.04711.24
5.2.90.0030.06311.22
5.2.80.0070.05711.18
5.2.70.0030.04311.18
5.2.60.0030.05311.20
5.2.50.0070.03311.04
5.2.40.0130.03710.96
5.2.30.0070.04010.98
5.2.20.0030.04010.97
5.2.10.0070.06310.94
5.2.00.0030.06010.86
5.1.60.0100.0479.88
5.1.50.0030.03310.02
5.1.40.0030.05710.02
5.1.30.0070.05010.37
5.1.20.0070.03710.38
5.1.10.0030.03010.20
5.1.00.0030.0539.94
5.0.50.0100.0238.68
5.0.40.0000.0408.30
5.0.30.0070.0438.34
5.0.20.0030.0438.24
5.0.10.0070.0408.23
5.0.00.0000.0708.27
4.4.90.0070.0338.17
4.4.80.0000.0238.17
4.4.70.0030.0378.17
4.4.60.0000.0378.17
4.4.50.0000.0338.17
4.4.40.0030.0338.17
4.4.30.0030.0238.17
4.4.20.0030.0278.17
4.4.10.0000.0238.17
4.4.00.0030.0408.17
4.3.110.0070.0308.17
4.3.100.0030.0338.17
4.3.90.0000.0378.17
4.3.80.0000.0478.17
4.3.70.0000.0208.17
4.3.60.0000.0308.17
4.3.50.0000.0378.17
4.3.40.0000.0538.17
4.3.30.0000.0378.17
4.3.20.0000.0408.17
4.3.10.0070.0278.17
4.3.00.0000.0378.17

preferences:
45.49 ms | 401 KiB | 5 Q