3v4l.org

run code in 300+ PHP versions simultaneously
<?php class SerialDateTime extends DateTime implements JsonSerializable{ public function jsonSerialize(){ return ['timestamp' => $this->getTimestamp()]; } public static function createFromFormat(){ $a = call_user_func_array(array(__CLASS__ , 'parent::'.__FUNCTION__), func_get_args()); return new self($a->getTimestamp()); } } echo json_encode([SerialDateTime::createFromFormat('m/d/Y', '10/31/2011')]);

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)
8.3.60.0090.01216.75
8.3.50.0080.01017.53
8.3.40.0110.00718.41
8.3.30.0070.00718.54
8.3.20.0040.00418.77
8.3.10.0030.00620.11
8.3.00.0060.00317.50
8.2.180.0140.00716.63
8.2.170.0140.00722.96
8.2.160.0100.00322.13
8.2.150.0040.00424.18
8.2.140.0050.00224.66
8.2.130.0000.00726.16
8.2.120.0040.00419.70
8.2.110.0060.00620.93
8.2.100.0090.00317.66
8.2.90.0030.00619.13
8.2.80.0030.00617.97
8.2.70.0050.00317.38
8.2.60.0040.00417.93
8.2.50.0060.00318.07
8.2.40.0040.00418.16
8.2.30.0000.00818.04
8.2.20.0040.00417.49
8.2.10.0080.00017.60
8.2.00.0050.00217.61
8.1.280.0000.01525.92
8.1.270.0110.00324.66
8.1.260.0070.00026.35
8.1.250.0040.00428.09
8.1.240.0080.00021.16
8.1.230.0000.01117.51
8.1.220.0050.00317.74
8.1.210.0030.00518.77
8.1.200.0000.00817.22
8.1.190.0040.00417.23
8.1.180.0050.00318.10
8.1.170.0040.00418.84
8.1.160.0040.00418.75
8.1.150.0030.00518.45
8.1.140.0000.00717.41
8.1.130.0000.00717.75
8.1.120.0000.00717.41
8.1.110.0040.00417.41
8.1.100.0040.00417.43
8.1.90.0040.00417.33
8.1.80.0040.00417.39
8.1.70.0000.00717.29
8.1.60.0060.00317.52
8.1.50.0040.00417.38
8.1.40.0040.00417.41
8.1.30.0000.00817.50
8.1.20.0000.00817.56
8.1.10.0040.00417.27
8.1.00.0000.00717.28
8.0.300.0050.00218.77
8.0.290.0000.00716.63
8.0.280.0030.00318.30
8.0.270.0030.00317.23
8.0.260.0000.00716.82
8.0.250.0000.00716.87
8.0.240.0070.00016.96
8.0.230.0000.00716.93
8.0.220.0030.00316.85
8.0.210.0040.00316.75
8.0.200.0000.00716.86
8.0.190.0030.00516.95
8.0.180.0000.00716.92
8.0.170.0040.00416.86
8.0.160.0030.00316.73
8.0.150.0000.00716.84
8.0.140.0050.00216.85
8.0.130.0000.00613.30
8.0.120.0040.00416.70
8.0.110.0030.00616.91
8.0.100.0000.00716.74
8.0.90.0000.00716.77
8.0.80.0040.01216.94
8.0.70.0040.00316.68
8.0.60.0050.00216.93
8.0.50.0050.00216.89
8.0.30.0070.01217.02
8.0.20.0070.01816.91
8.0.10.0030.00516.88
8.0.00.0090.00816.73
7.4.330.0050.00013.14
7.4.320.0060.00016.72
7.4.300.0030.00316.59
7.4.290.0070.00016.57
7.4.280.0060.00316.65
7.4.270.0060.00016.79
7.4.260.0030.00613.27
7.4.250.0030.00616.60
7.4.240.0030.00316.73
7.4.230.0030.00316.75
7.4.220.0130.01316.70
7.4.210.0090.00616.69
7.4.200.0000.00716.81
7.4.190.0000.00716.79
7.4.160.0090.00616.67
7.4.150.0120.00616.66
7.4.140.0070.01416.78
7.4.130.0080.01516.69
7.4.120.0060.01116.75
7.4.110.0100.00716.73
7.4.100.0090.00916.92
7.4.90.0070.01116.81
7.4.80.0100.01416.69
7.4.70.0070.01016.73
7.4.60.0120.00916.71
7.4.50.0000.00816.62
7.4.40.0110.00716.71
7.4.30.0060.00916.88
7.4.00.0070.01015.24
7.3.330.0000.00613.31
7.3.320.0030.00313.47
7.3.310.0070.00016.40
7.3.300.0030.00316.39
7.3.290.0090.00616.53
7.3.280.0060.00916.50
7.3.270.0160.01016.68
7.3.260.0030.01616.59
7.3.250.0090.00816.56
7.3.240.0140.00416.64
7.3.230.0070.01016.59
7.3.210.0120.00616.61
7.3.200.0160.00619.39
7.3.190.0070.01016.76
7.3.180.0090.00616.55
7.3.170.0150.00916.66
7.3.160.0080.00816.57
7.3.120.0030.01215.13
7.3.10.0120.00416.36
7.3.00.0050.01316.70
7.2.330.0160.00716.60
7.2.320.0150.00016.92
7.2.310.0140.00916.78
7.2.300.0060.01016.93
7.2.290.0130.00316.71
7.2.130.0180.00616.45
7.2.120.0070.01016.80
7.2.110.0000.01516.63
7.2.100.0040.01516.91
7.2.90.0130.01017.02
7.2.80.0090.00916.75
7.2.70.0100.00816.97
7.2.60.0050.00816.94
7.2.50.0140.00616.68
7.2.40.0070.01316.80
7.2.30.0190.00316.97
7.2.20.0120.00316.87
7.2.10.0140.00616.64
7.2.00.0060.01118.16
7.1.250.0130.00415.78
7.1.200.0110.00215.38
7.1.100.0030.01317.94
7.1.70.0060.00617.03
7.1.60.0100.01319.40
7.1.50.0030.01716.96
7.1.00.0000.03722.57
7.0.200.0440.00714.87
7.0.140.0100.06722.21
7.0.120.0000.07722.05
7.0.90.0630.05319.92
7.0.80.0630.07319.87
7.0.70.0630.08019.99
7.0.60.0630.07019.95
7.0.50.0670.04020.29
7.0.40.0230.05720.04
7.0.30.0100.08020.08
7.0.20.0070.08720.11
7.0.10.0070.08720.03
7.0.00.0070.05320.04
5.6.280.0000.07721.10
5.6.240.0170.04320.64
5.6.230.0030.09320.54
5.6.220.0070.08020.48
5.6.210.0100.06720.57
5.6.200.0100.08721.12
5.6.190.0100.07020.96
5.6.180.0070.08321.09
5.6.170.0100.07721.05
5.6.160.0070.09020.96
5.6.150.0070.07721.14
5.6.140.0100.08321.13
5.6.130.0170.07021.04
5.6.120.0130.08321.05
5.6.110.0070.08021.10
5.6.100.0100.06321.13
5.6.90.0030.05321.01
5.6.80.0000.06020.56
5.6.70.0000.05320.44
5.6.60.0030.08320.48
5.6.50.0100.07320.37
5.6.40.0030.08020.45
5.6.30.0130.04020.47
5.6.20.0100.07320.42
5.6.10.0100.07020.38
5.6.00.0100.04320.39
5.5.380.0170.07020.43
5.5.370.0070.07720.41
5.5.360.0100.08320.35
5.5.350.0100.07720.43
5.5.340.0000.07720.88
5.5.330.0100.08020.92
5.5.320.0130.07020.94
5.5.310.0100.08320.88
5.5.300.0100.07720.62
5.5.290.0100.07720.93
5.5.280.0070.08320.82
5.5.270.0100.06020.79
5.5.260.0130.05020.77
5.5.250.0070.07320.58
5.5.240.0170.06720.15
5.5.230.0130.06720.14
5.5.220.0100.04320.27
5.5.210.0130.07720.26
5.5.200.0070.05020.22
5.5.190.0070.05320.22
5.5.180.0030.08720.11
5.5.160.0100.05320.28
5.5.150.0070.08020.21
5.5.140.0170.07020.27
5.5.130.0030.08320.27
5.5.120.0100.04720.15
5.5.110.0100.04320.12
5.5.100.0130.07020.16
5.5.90.0100.07020.13
5.5.80.0030.04720.10
5.5.70.0030.05020.10
5.5.60.0070.07720.06
5.5.50.0070.08020.15
5.5.40.0130.04020.11
5.5.30.0100.04020.05
5.5.20.0070.08020.00
5.5.10.0100.07720.16
5.5.00.0070.07720.05
5.4.450.0100.04319.18
5.4.440.0030.08019.27
5.4.430.0100.08019.36
5.4.420.0000.08719.55
5.4.410.0070.08019.42
5.4.400.0030.06319.23
5.4.390.0070.04319.13
5.4.380.0030.05019.03
5.4.370.0100.07718.88
5.4.360.0070.06319.12
5.4.350.0070.07318.88
5.4.340.0070.05019.00
5.4.320.0100.07319.05
5.4.310.0030.06718.95
5.4.300.0130.07018.87
5.4.290.0130.07019.23
5.4.280.0070.08018.95
5.4.270.0130.07018.95
5.4.260.0100.05318.90
5.4.250.0030.04719.15
5.4.240.0070.06719.08
5.4.230.0030.06319.02
5.4.220.0170.04019.08
5.4.210.0130.06719.20
5.4.200.0270.04319.04
5.4.190.0070.06018.81
5.4.180.0070.07319.11
5.4.170.0070.05719.11
5.4.160.0070.05019.04
5.4.150.0100.04019.02
5.4.140.0070.05016.41
5.4.130.0030.07716.30
5.4.120.0100.06716.30
5.4.110.0070.08016.45
5.4.100.0100.07316.42
5.4.90.0070.07016.36
5.4.80.0100.07016.32
5.4.70.0030.07316.45
5.4.60.0100.06716.42
5.4.50.0070.07716.47
5.4.40.0000.06716.42
5.4.30.0000.05316.40
5.4.20.0100.06316.45
5.4.10.0030.07016.39
5.4.00.0070.07315.75
5.3.290.0070.03714.80
5.3.280.0100.03714.58
5.3.270.0130.04714.62
5.3.260.0070.04314.75
5.3.250.0100.03714.57
5.3.240.0070.07714.70
5.3.230.0100.07714.52
5.3.220.0030.05314.59
5.3.210.0070.07314.46
5.3.200.0100.06714.66
5.3.190.0170.06714.64
5.3.180.0070.07314.68
5.3.170.0070.05014.53
5.3.160.0030.05714.50
5.3.150.0130.03314.56
5.3.140.0000.08014.50
5.3.130.0070.07314.67
5.3.120.0070.06714.61
5.3.110.0100.07014.61
5.3.100.0070.06014.10
5.3.90.0100.06314.14
5.3.80.0030.07313.95
5.3.70.0100.06713.93
5.3.60.0030.07314.01
5.3.50.0030.07014.01
5.3.40.0100.06313.96
5.3.30.0070.04314.02
5.3.20.0030.05013.75
5.3.10.0030.04013.63
5.3.00.0070.06313.57
5.2.170.0070.06311.21
5.2.160.0070.06311.04
5.2.150.0070.03011.20
5.2.140.0000.06711.21
5.2.130.0070.06311.12
5.2.120.0000.03711.23
5.2.110.0030.06311.12
5.2.100.0030.03311.03
5.2.90.0000.06311.15
5.2.80.0030.03310.95
5.2.70.0100.05710.99
5.2.60.0070.05710.91
5.2.50.0100.05711.13
5.2.40.0000.05010.92
5.2.30.0070.06010.96
5.2.20.0070.05310.86
5.2.10.0030.05710.82
5.2.00.0000.06010.80
5.1.60.0070.05010.07
5.1.50.0000.0579.88
5.1.40.0070.04010.06
5.1.30.0030.05710.38
5.1.20.0030.05010.27
5.1.10.0070.0209.96
5.1.00.0000.02710.06
5.0.50.0030.0178.39
5.0.40.0030.0208.42
5.0.30.0070.0338.30
5.0.20.0000.0238.05
5.0.10.0000.0208.27
5.0.00.0030.0308.15
4.4.90.0030.0307.34
4.4.80.0030.0377.34
4.4.70.0030.0377.34
4.4.60.0030.0307.34
4.4.50.0000.0407.34
4.4.40.0000.0507.34
4.4.30.0070.0277.34
4.4.20.0000.0207.34
4.4.10.0030.0137.34
4.4.00.0000.0277.34
4.3.110.0000.0177.34
4.3.100.0030.0137.34
4.3.90.0030.0137.34
4.3.80.0000.0237.34
4.3.70.0030.0107.34
4.3.60.0000.0177.34
4.3.50.0030.0137.34
4.3.40.0030.0307.34
4.3.30.0000.0207.34
4.3.20.0000.0177.34
4.3.10.0000.0177.34
4.3.00.0000.0277.34

preferences:
43.91 ms | 401 KiB | 5 Q