3v4l.org

run code in 300+ PHP versions simultaneously
<?php $retVal = 0; $t1 = strtotime('2012-02-02'); $t2 = strtotime('2014-01-01'); $retVal = ($t1 < $t2) ? -1 : 1; echo $retVal; ?>

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)
8.3.60.0100.01018.55
8.3.50.0130.00521.90
8.3.40.0040.01119.11
8.3.30.0110.00419.21
8.3.20.0070.00020.39
8.3.10.0080.00023.66
8.3.00.0080.00019.19
8.2.180.0070.01118.18
8.2.170.0090.00622.96
8.2.160.0100.00320.53
8.2.150.0050.00324.18
8.2.140.0040.00424.66
8.2.130.0180.00026.16
8.2.120.0030.00718.03
8.2.110.0050.00520.35
8.2.100.0080.00417.91
8.2.90.0040.00417.75
8.2.80.0080.00017.97
8.2.70.0000.00817.93
8.2.60.0040.00418.16
8.2.50.0000.00818.10
8.2.40.0000.00819.52
8.2.30.0040.00419.31
8.2.20.0000.00717.98
8.2.10.0000.00718.06
8.2.00.0040.00417.85
8.1.280.0090.00625.92
8.1.270.0080.00019.02
8.1.260.0070.00026.35
8.1.250.0000.00728.09
8.1.240.0060.00323.96
8.1.230.0080.00319.16
8.1.220.0000.00817.79
8.1.210.0040.00418.77
8.1.200.0060.00317.35
8.1.190.0030.00517.35
8.1.180.0100.00018.10
8.1.170.0000.00918.71
8.1.160.0000.00719.04
8.1.150.0000.00718.82
8.1.140.0030.00517.57
8.1.130.0050.00317.79
8.1.120.0030.00317.48
8.1.110.0000.00717.50
8.1.100.0000.00717.57
8.1.90.0040.00417.45
8.1.80.0040.00417.42
8.1.70.0030.00317.52
8.1.60.0030.00717.64
8.1.50.0040.00417.59
8.1.40.0030.00517.57
8.1.30.0040.00817.68
8.1.20.0060.00317.71
8.1.10.0000.00717.63
8.1.00.0030.00517.65
8.0.300.0030.00621.71
8.0.290.0050.00317.00
8.0.280.0030.00318.51
8.0.270.0030.00317.32
8.0.260.0060.00017.36
8.0.250.0080.00017.14
8.0.240.0000.00817.16
8.0.230.0040.00417.05
8.0.220.0000.00817.05
8.0.210.0000.00717.02
8.0.200.0000.00617.06
8.0.190.0050.00216.96
8.0.180.0030.00316.93
8.0.170.0040.00417.05
8.0.160.0000.00717.13
8.0.150.0000.00817.05
8.0.140.0080.00016.99
8.0.130.0050.00313.37
8.0.120.0040.00417.07
8.0.110.0040.00416.99
8.0.100.0000.00716.96
8.0.90.0070.00016.86
8.0.80.0080.00817.07
8.0.70.0050.00216.86
8.0.60.0040.00417.10
8.0.50.0040.00416.97
8.0.30.0120.00917.21
8.0.20.0120.00617.40
8.0.10.0040.00417.02
8.0.00.0130.00916.91
7.4.330.0030.00315.20
7.4.320.0000.00616.55
7.4.300.0060.00016.59
7.4.290.0070.00016.56
7.4.280.0050.00316.66
7.4.270.0000.00816.56
7.4.260.0000.00716.58
7.4.250.0000.00716.61
7.4.240.0050.00316.70
7.4.230.0030.00316.73
7.4.220.0070.01116.45
7.4.210.0140.00716.62
7.4.200.0000.00716.66
7.4.160.0120.00416.75
7.4.150.0140.00317.40
7.4.140.0080.01017.86
7.4.130.0050.01316.57
7.4.120.0110.00816.58
7.4.110.0170.00016.49
7.4.100.0130.00316.68
7.4.90.0040.01416.45
7.4.80.0080.01519.39
7.4.70.0030.01316.48
7.4.60.0060.01016.56
7.4.50.0040.00416.50
7.4.40.0080.00816.41
7.4.30.0090.00916.30
7.4.00.0060.00915.18
7.3.330.0020.00213.18
7.3.320.0000.00513.25
7.3.310.0030.00316.38
7.3.300.0030.00316.29
7.3.290.0070.00916.32
7.3.280.0080.00916.37
7.3.270.0040.01517.40
7.3.260.0140.01016.68
7.3.250.0100.00716.49
7.3.240.0090.00916.24
7.3.230.0140.00516.63
7.3.210.0080.00816.58
7.3.200.0070.00519.39
7.3.190.0190.00316.66
7.3.180.0030.01316.48
7.3.170.0090.00916.60
7.3.160.0110.00716.44
7.2.330.0150.00316.53
7.2.320.0090.00916.68
7.2.310.0110.00516.63
7.2.300.0150.00316.64
7.2.290.0060.01216.66
7.2.60.0030.00916.73
7.1.200.0070.00715.95
7.1.100.0040.01117.93
7.1.70.0090.00317.22
7.1.60.0040.00717.36
7.1.50.0120.00916.83
7.1.00.0030.07722.37
7.0.200.0090.00616.89
7.0.140.0000.03722.23
7.0.60.0000.04720.02
7.0.50.0070.07717.91
7.0.40.0070.04320.04
7.0.30.0200.03720.00
7.0.20.0300.06719.99
7.0.10.0100.07320.33
7.0.00.0100.06720.16
5.6.280.0100.06321.09
5.6.210.0070.08320.52
5.6.200.0130.06318.21
5.6.190.0070.04020.49
5.6.180.0300.04020.45
5.6.170.0070.06020.61
5.6.160.0030.05020.45
5.6.150.0070.05318.21
5.6.140.0070.05718.21
5.6.130.0000.06018.22
5.6.120.0030.08021.00
5.6.110.0030.08720.98
5.6.100.0130.07321.03
5.6.90.0000.04321.06
5.6.80.0030.05020.39
5.5.350.0200.07720.43
5.5.340.0100.07717.89
5.5.330.0070.07020.19
5.5.320.0200.04720.21
5.5.310.0370.07320.17
5.5.300.0100.03317.96
5.5.290.0100.04717.98
5.5.280.0100.05020.89
5.5.270.0070.07020.83
5.5.260.0130.07720.79
5.5.250.0130.07320.48
5.5.240.0030.08320.35
5.4.450.0770.07019.61
5.4.440.0800.06019.43
5.4.430.0930.05319.27
5.4.420.0530.06719.57
5.4.410.0670.06719.00
5.4.400.0570.06019.15
5.4.390.0700.05018.81
5.4.380.0130.06718.46
5.4.370.0100.06018.61
5.4.360.0230.05718.75
5.4.350.0130.06018.75
5.4.340.0330.04318.69
5.4.320.0270.04718.46
5.4.310.0200.05318.68
5.4.300.0200.05718.61
5.4.290.0270.04718.66
5.4.280.0230.05718.58
5.4.270.0200.05318.66
5.4.260.0230.05318.66
5.4.250.0300.05018.57
5.4.240.0070.07018.66
5.4.230.0130.06318.68
5.4.220.0270.05318.70
5.4.210.0230.06018.60
5.4.200.0100.07016.67
5.4.190.0330.04018.59
5.4.180.0230.04718.60
5.4.170.0330.05018.47
5.4.160.0270.05318.73
5.4.150.0330.06018.73
5.4.140.0200.07316.15
5.4.130.0270.06016.34
5.4.120.0170.06016.06
5.4.110.0170.05716.04
5.4.100.0230.06016.09
5.4.90.0200.05016.40
5.4.80.0300.03716.04
5.4.70.0270.05016.26
5.4.60.0370.03316.08
5.4.50.0230.06016.10
5.4.40.0330.06016.32
5.4.30.0170.05316.22
5.4.20.0170.05016.18
5.4.10.0200.05716.02
5.4.00.0130.05715.61
5.3.290.0230.05314.75
5.3.280.0300.04714.54
5.3.270.0230.05014.58
5.3.260.0300.04714.55
5.3.250.0130.06714.71
5.3.240.0130.06714.59
5.3.230.0230.05014.59
5.3.220.0130.05714.45
5.3.210.0200.06014.48
5.3.200.0300.06714.52
5.3.190.0230.06014.56
5.3.180.0200.07714.65
5.3.170.0100.06314.54
5.3.160.0270.07014.50
5.3.150.0300.06714.57
5.3.140.0200.06014.64
5.3.130.0200.05714.52
5.3.120.0170.08314.64
5.3.110.0430.05714.59
5.3.100.0270.07014.08
5.3.90.0330.06714.02
5.3.80.0400.06313.94
5.3.70.0170.07013.93
5.3.60.0300.05714.02
5.3.50.0370.05313.91
5.3.40.0300.06313.86
5.3.30.0270.06713.90
5.3.20.0300.05713.67
5.3.10.0270.06713.75
5.3.00.0200.07313.62
5.2.170.0230.05311.12
5.2.160.0130.06711.28
5.2.150.0270.05311.09
5.2.140.0170.06011.12
5.2.130.0270.04711.10
5.2.120.0170.06011.11
5.2.110.0100.06011.08
5.2.100.0300.04011.08
5.2.90.0170.04011.14
5.2.80.0200.05311.08
5.2.70.0200.04311.14
5.2.60.0300.03711.10
5.2.50.0270.04311.02
5.2.40.0130.05310.97
5.2.30.0270.03010.94
5.2.20.0170.04711.11
5.2.10.0200.04010.84
5.2.00.0130.04310.74
5.1.60.0230.03310.09
5.1.50.0170.0379.98
5.1.40.0170.04010.04
5.1.30.0170.04010.36
5.1.20.0200.04710.45
5.1.10.0170.04710.08
5.1.00.0130.04710.19
5.0.50.0070.0378.61
5.0.40.0100.0278.47
5.0.30.0170.0508.35
5.0.20.0100.0378.37
5.0.10.0100.0338.14
5.0.00.0170.0478.17
4.4.90.0170.0237.09
4.4.80.0100.0237.09
4.4.70.0100.0307.09
4.4.60.0130.0237.09
4.4.50.0100.0277.09
4.4.40.0170.0337.09
4.4.30.0200.0207.09
4.4.20.0070.0237.09
4.4.10.0070.0307.09
4.4.00.0000.0437.09
4.3.110.0030.0377.09
4.3.100.0070.0307.09
4.3.90.0030.0277.09
4.3.80.0130.0337.09
4.3.70.0070.0277.09
4.3.60.0030.0277.09
4.3.50.0100.0277.09
4.3.40.0100.0437.09
4.3.30.0100.0277.09
4.3.20.0070.0307.09
4.3.10.0070.0307.09
4.3.00.0100.0237.63

preferences:
35.82 ms | 401 KiB | 5 Q