3v4l.org

run code in 300+ PHP versions simultaneously
<?php function dateCompare($a, $b) { $t1 = strtotime($a); $t2 = strtotime($b); return $t1 - $t2; } dateCompare('2013-12-02', '2013-12-06');

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)
8.3.60.0210.00018.55
8.3.50.0070.01221.20
8.3.40.0150.00018.84
8.3.30.0140.00719.04
8.3.20.0040.00420.36
8.3.10.0040.00421.84
8.3.00.0060.00622.34
8.2.180.0060.01216.75
8.2.170.0070.00722.96
8.2.160.0110.00419.17
8.2.150.0090.00024.18
8.2.140.0060.00324.66
8.2.130.0070.01126.16
8.2.120.0090.00317.63
8.2.110.0040.00421.89
8.2.100.0110.00018.22
8.2.90.0090.00019.17
8.2.80.0040.00417.97
8.2.70.0000.00817.63
8.2.60.0040.00417.93
8.2.50.0040.00418.07
8.2.40.0080.00018.28
8.2.30.0060.00318.00
8.2.20.0040.00417.77
8.2.10.0030.00617.91
8.2.00.0060.00317.91
8.1.280.0100.01025.92
8.1.270.0080.00022.02
8.1.260.0080.00026.35
8.1.250.0050.00228.09
8.1.240.0040.00423.79
8.1.230.0040.00719.02
8.1.220.0050.00217.74
8.1.210.0060.00318.77
8.1.200.0100.00017.47
8.1.190.0040.00417.43
8.1.180.0040.00418.57
8.1.170.0060.00618.49
8.1.160.0030.00322.10
8.1.150.0040.00418.73
8.1.140.0060.00317.48
8.1.130.0000.00717.88
8.1.120.0000.00817.53
8.1.110.0080.00017.59
8.1.100.0030.00317.57
8.1.90.0000.00717.61
8.1.80.0040.00417.57
8.1.70.0000.00717.60
8.1.60.0000.00817.70
8.1.50.0080.00017.54
8.1.40.0000.00717.54
8.1.30.0000.00817.58
8.1.20.0000.00817.61
8.1.10.0000.00817.58
8.1.00.0050.00317.59
8.0.300.0070.00018.77
8.0.290.0040.00417.04
8.0.280.0040.00418.44
8.0.270.0000.00717.25
8.0.260.0000.00716.99
8.0.250.0000.00716.98
8.0.240.0080.00417.05
8.0.230.0050.00317.00
8.0.220.0020.00516.95
8.0.210.0000.00716.95
8.0.200.0030.00317.03
8.0.190.0050.00217.04
8.0.180.0000.00716.94
8.0.170.0030.00516.95
8.0.160.0000.00816.84
8.0.150.0000.00716.92
8.0.140.0030.00616.99
8.0.130.0030.00313.41
8.0.120.0000.00816.94
8.0.110.0000.00716.92
8.0.100.0050.00216.92
8.0.90.0050.00216.92
8.0.80.0070.01016.98
8.0.70.0000.00716.82
8.0.60.0030.00517.05
8.0.50.0000.00916.88
8.0.30.0110.00817.20
8.0.20.0120.00717.44
8.0.10.0000.00717.15
8.0.00.0080.01316.86
7.4.330.0020.00215.00
7.4.320.0030.00316.65
7.4.300.0040.00416.63
7.4.290.0040.00416.58
7.4.280.0030.00316.63
7.4.270.0080.00016.74
7.4.260.0040.00416.61
7.4.250.0000.00716.65
7.4.240.0050.00216.73
7.4.230.0030.00316.64
7.4.220.0130.01316.60
7.4.210.0030.01116.72
7.4.200.0070.00016.71
7.4.190.0020.00516.91
7.4.160.0100.00616.64
7.4.150.0110.00617.40
7.4.140.0070.01217.86
7.4.130.0130.00716.78
7.4.120.0120.00616.63
7.4.110.0070.01016.50
7.4.100.0120.00916.65
7.4.90.0070.01016.59
7.4.80.0160.00819.39
7.4.70.0180.00516.69
7.4.60.0100.01016.71
7.4.50.0040.00416.48
7.4.40.0080.00622.77
7.4.30.0060.01116.87
7.4.00.0040.01215.06
7.3.330.0000.00513.43
7.3.320.0000.00613.27
7.3.310.0070.00016.35
7.3.300.0060.00016.38
7.3.290.0000.01316.42
7.3.280.0050.01016.44
7.3.270.0130.00317.40
7.3.260.0000.01616.63
7.3.250.0090.01116.52
7.3.240.0070.01116.71
7.3.230.0090.00916.54
7.3.210.0060.01216.41
7.3.200.0040.01116.50
7.3.190.0030.01316.50
7.3.180.0030.01316.51
7.3.170.0070.01316.52
7.3.160.0170.00616.66
7.3.120.0090.00714.95
7.3.110.0040.01514.80
7.3.100.0160.00014.93
7.3.90.0090.00614.86
7.3.80.0120.00314.99
7.3.70.0080.00814.95
7.3.60.0120.00615.13
7.3.50.0060.01014.88
7.3.40.0100.00614.92
7.3.30.0000.01314.77
7.3.20.0030.00616.69
7.3.10.0060.00316.46
7.3.00.0100.00016.82
7.2.330.0070.01116.91
7.2.320.0100.01316.88
7.2.310.0130.00316.75
7.2.300.0140.00716.64
7.2.290.0100.01016.61
7.2.250.0140.00714.76
7.2.240.0040.01314.75
7.2.230.0040.01215.39
7.2.220.0100.00714.87
7.2.210.0070.00715.25
7.2.200.0060.01215.21
7.2.190.0100.00315.14
7.2.180.0070.00715.20
7.2.170.0100.00314.89
7.2.00.0100.00619.45
7.1.330.0030.01215.78
7.1.320.0030.01115.77
7.1.310.0040.00415.90
7.1.300.0110.00416.02
7.1.290.0070.00715.91
7.1.280.0030.00915.71
7.1.270.0040.00715.86
7.1.260.0040.00415.90
7.1.100.0030.00618.29
7.1.70.0040.00717.30
7.1.60.0070.01719.82
7.1.50.0060.00617.23
7.1.00.0100.05022.45
7.0.200.0050.00317.00
7.0.140.0100.07022.01
7.0.60.0100.08719.95
7.0.50.0070.03717.73
7.0.40.0100.05320.20
7.0.30.0300.08020.30
7.0.20.0270.08020.33
7.0.10.0130.06020.08
7.0.00.0030.08320.20
5.6.280.0030.07320.93
5.6.210.0130.07320.57
5.6.200.0030.05018.26
5.6.190.0030.05320.46
5.6.180.0230.07020.63
5.6.170.0130.04320.51
5.6.160.0070.04320.43
5.6.150.0170.06318.16
5.6.140.0130.04018.28
5.6.130.0100.08018.15
5.6.120.0030.09021.12
5.6.110.0070.08320.97
5.6.100.0070.08721.02
5.6.90.0030.05020.97
5.6.80.0170.07020.38
5.5.350.0030.08320.41
5.5.340.0070.06017.98
5.5.330.0000.04720.32
5.5.320.0400.07320.20
5.5.310.0400.07020.27
5.5.300.0030.04718.14
5.5.290.0000.05717.95
5.5.280.0070.06320.87
5.5.270.0070.04720.77
5.5.260.0030.07720.96
5.5.250.0070.06320.70
5.5.240.0270.05320.22
5.4.450.0770.04019.48
5.4.440.0370.05019.64
5.4.430.0700.04019.16
5.4.420.0730.02319.41
5.4.410.0230.04719.20
5.4.400.0630.04718.85
5.4.390.0970.05319.16
5.4.380.0770.05718.64
5.4.370.0830.04718.75
5.4.360.0500.05318.68
5.4.350.0800.05718.63
5.4.340.0930.05018.68
5.4.320.0080.03812.50
5.4.310.0080.04012.50
5.4.300.0060.03812.50
5.4.290.0070.04212.50
5.4.280.0080.04012.40
5.4.270.0080.03612.40
5.4.260.0170.05018.94
5.4.250.0070.08018.77
5.4.240.0070.07018.75
5.4.230.0130.07319.03
5.4.220.0070.06718.76
5.4.210.0130.05018.80
5.4.200.0070.06318.65
5.4.190.0170.07018.99
5.4.180.0100.06318.99
5.4.170.0100.06018.83
5.4.160.0300.06319.09
5.4.150.0170.06018.75
5.4.140.0130.05016.46
5.4.130.0130.04716.36
5.4.120.0130.04716.59
5.4.110.0070.06316.66
5.4.100.0000.05716.65
5.4.90.0070.05316.37
5.4.80.0100.05016.34
5.4.70.0200.06016.39
5.4.60.0030.05716.46
5.4.50.0100.05716.52
5.4.40.0070.05316.40
5.4.30.0200.06016.60
5.4.20.0100.07016.45
5.4.10.0200.06716.36
5.4.00.0130.05315.84
5.3.290.0040.04012.80
5.3.280.0070.05714.65
5.3.270.0130.06714.67
5.3.260.0170.07014.69
5.3.250.0030.07314.73
5.3.240.0130.04714.43
5.3.230.0130.05314.72
5.3.220.0030.05714.64
5.3.210.0070.05314.63
5.3.200.0130.07014.74
5.3.190.0100.05714.73
5.3.180.0030.06014.46
5.3.170.0070.05014.73
5.3.160.0070.07314.64
5.3.150.0070.06014.54
5.3.140.0100.04714.54
5.3.130.0100.06014.38
5.3.120.0100.06014.62
5.3.110.0030.06714.76
5.3.100.0230.05014.02
5.3.90.0200.06014.00
5.3.80.0070.05014.10
5.3.70.0100.07014.00
5.3.60.0030.05714.06
5.3.50.0070.06713.91
5.3.40.0170.04713.93
5.3.30.0170.06314.12
5.3.20.0130.06013.85
5.3.10.0030.07013.73
5.3.00.0170.06313.54
5.2.170.0030.06311.30
5.2.160.0070.04311.14
5.2.150.0030.04711.22
5.2.140.0070.04011.32
5.2.130.0070.04011.05
5.2.120.0100.03311.19
5.2.110.0100.04711.08
5.2.100.0070.04011.08
5.2.90.0030.05311.18
5.2.80.0030.04711.05
5.2.70.0100.05011.30
5.2.60.0070.05711.23
5.2.50.0130.04010.86
5.2.40.0070.04311.22
5.2.30.0130.04711.03
5.2.20.0200.04310.86
5.2.10.0030.05011.03
5.2.00.0000.05010.79
5.1.60.0070.04310.14
5.1.50.0070.04310.23
5.1.40.0070.03010.03
5.1.30.0030.04310.50
5.1.20.0100.05010.33
5.1.10.0130.04010.16
5.1.00.0070.04710.03
5.0.50.0100.0378.57
5.0.40.0030.0378.36
5.0.30.0170.0438.26
5.0.20.0000.0308.17
5.0.10.0100.0238.26
5.0.00.0030.0478.25
4.4.90.0070.0207.51
4.4.80.0000.0237.51
4.4.70.0030.0277.51
4.4.60.0070.0237.51
4.4.50.0070.0207.51
4.4.40.0070.0307.51
4.4.30.0000.0237.51
4.4.20.0030.0207.51
4.4.10.0070.0277.51
4.4.00.0130.0277.51
4.3.110.0070.0237.51
4.3.100.0100.0237.51
4.3.90.0000.0277.51
4.3.80.0030.0337.51
4.3.70.0070.0237.51
4.3.60.0070.0277.51
4.3.50.0070.0307.51
4.3.40.0030.0407.51
4.3.30.0100.0207.51
4.3.20.0000.0277.51
4.3.10.0030.0207.51
4.3.00.0270.01013.16

preferences:
71.14 ms | 401 KiB | 5 Q