3v4l.org

run code in 300+ PHP versions simultaneously
<?php $retVal = 0; $t1 = strtotime('2015-02-02'); $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)
8.3.60.0140.00718.30
8.3.50.0100.00822.02
8.3.40.0110.00419.12
8.3.30.0140.00719.09
8.3.20.0050.00220.33
8.3.10.0060.00323.27
8.3.00.0050.00219.02
8.2.180.0120.00618.22
8.2.170.0070.00722.96
8.2.160.0070.00720.35
8.2.150.0040.00424.18
8.2.140.0030.00624.66
8.2.130.0070.00026.16
8.2.120.0090.00019.44
8.2.110.0030.00620.52
8.2.100.0040.00817.84
8.2.90.0030.00519.39
8.2.80.0050.00317.97
8.2.70.0050.00617.88
8.2.60.0000.00717.93
8.2.50.0040.00418.10
8.2.40.0060.00320.58
8.2.30.0070.00018.19
8.2.20.0040.00417.93
8.2.10.0000.00718.25
8.2.00.0000.00817.91
8.1.280.0140.00025.92
8.1.270.0060.00318.87
8.1.260.0040.00426.35
8.1.250.0070.00028.09
8.1.240.0100.00021.28
8.1.230.0100.00317.89
8.1.220.0040.00417.74
8.1.210.0000.00918.77
8.1.200.0030.00617.25
8.1.190.0000.00817.35
8.1.180.0040.00418.10
8.1.170.0030.00618.76
8.1.160.0050.00322.06
8.1.150.0080.00018.77
8.1.140.0040.00417.63
8.1.130.0070.00417.93
8.1.120.0030.00317.62
8.1.110.0040.00417.50
8.1.100.0070.00017.58
8.1.90.0000.00717.50
8.1.80.0040.00417.55
8.1.70.0040.00417.60
8.1.60.0000.01017.70
8.1.50.0030.00617.58
8.1.40.0080.00017.50
8.1.30.0080.00417.70
8.1.20.0040.00417.73
8.1.10.0000.00817.60
8.1.00.0030.00617.65
8.0.300.0060.00318.77
8.0.290.0000.00816.88
8.0.280.0080.00018.51
8.0.270.0000.00717.05
8.0.260.0000.00617.33
8.0.250.0030.00317.14
8.0.240.0070.00017.18
8.0.230.0000.00817.03
8.0.220.0030.00317.00
8.0.210.0070.00017.02
8.0.200.0070.00017.13
8.0.190.0040.00417.07
8.0.180.0000.00716.96
8.0.170.0030.00617.05
8.0.160.0070.00016.95
8.0.150.0000.00817.00
8.0.140.0040.00417.02
8.0.130.0040.00413.37
8.0.120.0080.00016.99
8.0.110.0040.00416.99
8.0.100.0050.00316.86
8.0.90.0030.00517.08
8.0.80.0070.01116.95
8.0.70.0040.00417.08
8.0.60.0050.00316.91
8.0.50.0040.00416.98
8.0.30.0120.00817.15
8.0.20.0120.01017.40
8.0.10.0000.00717.18
8.0.00.0120.01216.96
7.4.330.0000.00615.14
7.4.320.0030.00316.68
7.4.300.0030.00316.57
7.4.290.0000.00716.63
7.4.280.0040.00416.57
7.4.270.0000.00716.68
7.4.260.0000.00916.48
7.4.250.0040.00416.52
7.4.240.0050.00316.56
7.4.230.0060.00016.56
7.4.220.0090.00916.54
7.4.210.0080.00916.50
7.4.200.0000.00716.47
7.4.160.0040.01116.68
7.4.150.0070.01017.40
7.4.140.0050.01217.86
7.4.130.0100.00816.69
7.4.120.0040.01416.68
7.4.110.0070.01016.49
7.4.100.0180.00016.45
7.4.90.0100.00716.67
7.4.80.0070.02019.39
7.4.70.0090.00816.42
7.4.60.0030.01316.64
7.4.50.0000.00816.68
7.4.40.0120.00416.41
7.4.30.0030.01316.75
7.4.00.0080.00915.11
7.3.330.0030.00313.07
7.3.320.0030.00313.25
7.3.310.0030.00316.16
7.3.300.0030.00316.38
7.3.290.0110.00316.37
7.3.280.0100.00816.36
7.3.270.0080.00917.40
7.3.260.0060.01216.30
7.3.250.0100.00816.42
7.3.240.0060.01616.77
7.3.230.0100.01016.45
7.3.210.0110.01116.71
7.3.200.0160.00619.39
7.3.190.0060.00916.62
7.3.180.0100.00716.34
7.3.170.0060.01216.65
7.3.160.0080.00816.48
7.3.120.0040.01514.91
7.3.110.0030.01014.78
7.3.100.0060.00614.94
7.3.90.0030.00915.03
7.3.80.0110.00415.16
7.3.70.0050.00514.88
7.3.60.0100.00614.91
7.3.50.0030.01114.73
7.3.40.0060.00615.04
7.3.30.0030.00914.88
7.3.20.0030.00916.64
7.3.10.0100.00716.62
7.3.00.0000.00916.68
7.2.330.0090.00916.44
7.2.320.0060.01016.74
7.2.310.0070.01016.93
7.2.300.0080.00916.57
7.2.290.0070.01116.70
7.2.250.0120.00615.35
7.2.240.0110.00715.11
7.2.230.0030.01415.13
7.2.220.0070.00315.01
7.2.210.0090.00615.11
7.2.200.0000.00814.93
7.2.190.0040.01115.12
7.2.180.0000.00915.04
7.2.170.0050.00515.20
7.2.00.0080.00019.66
7.1.330.0030.01315.96
7.1.320.0030.00715.93
7.1.310.0070.00715.70
7.1.300.0070.00715.81
7.1.290.0070.00715.92
7.1.280.0040.00816.00
7.1.270.0090.00615.79
7.1.260.0000.01415.86
7.1.100.0040.00718.11
7.1.70.0120.00316.97
7.1.60.0150.01119.22
7.1.50.0030.01717.14
7.1.00.0030.07722.28
7.0.200.0000.00816.63
7.0.140.0030.03321.95
7.0.60.0030.09019.92
7.0.50.0070.07017.86
7.0.40.0170.06320.22
7.0.30.0200.04020.02
7.0.20.0330.07720.13
7.0.10.0070.04019.99
7.0.00.0070.05020.20
5.6.280.0030.07321.11
5.6.210.0130.04720.62
5.6.200.0130.07718.12
5.6.190.0100.06020.39
5.6.180.0430.07320.41
5.6.170.0270.06020.50
5.6.160.0070.04020.37
5.6.150.0070.05018.18
5.6.140.0030.08318.21
5.6.130.0000.04318.19
5.6.120.0130.04721.09
5.6.110.0000.06321.10
5.6.100.0230.06721.03
5.6.90.0100.07020.98
5.6.80.0170.06320.37
5.5.350.0200.06320.41
5.5.340.0070.05318.01
5.5.330.0100.06320.25
5.5.320.0270.08020.30
5.5.310.0270.08720.32
5.5.300.0130.07717.94
5.5.290.0030.04018.02
5.5.280.0100.03320.86
5.5.270.0100.08020.95
5.5.260.0030.08720.72
5.5.250.0100.08720.69
5.5.240.0070.07320.13
5.4.450.0230.06719.55
5.4.440.1030.05319.14
5.4.430.0670.05019.27
5.4.420.0830.05719.13
5.4.410.0830.05319.36
5.4.400.0830.05718.78
5.4.390.0800.05319.22
5.4.380.0400.06318.71
5.4.370.0370.06718.49
5.4.360.0400.06318.62
5.4.350.0230.05718.62
5.4.340.0230.06318.72
5.4.320.0200.06018.66
5.4.310.0130.06318.61
5.4.300.0230.07018.66
5.4.290.0300.04718.62
5.4.280.0400.04018.57
5.4.270.0230.05718.45
5.4.260.0270.04318.68
5.4.250.0230.05718.49
5.4.240.0300.04318.63
5.4.230.0300.05318.52
5.4.220.0270.04718.57
5.4.210.0230.04718.49
5.4.200.0170.05716.61
5.4.190.0270.04718.65
5.4.180.0200.05318.56
5.4.170.0200.06018.57
5.4.160.0100.06318.56
5.4.150.0230.05018.64
5.4.140.0300.05316.23
5.4.130.0230.06716.16
5.4.120.0370.05716.04
5.4.110.0300.05016.24
5.4.100.0300.04316.32
5.4.90.0230.04316.09
5.4.80.0200.05016.27
5.4.70.0230.05016.19
5.4.60.0070.07016.29
5.4.50.0200.05316.00
5.4.40.0200.06716.06
5.4.30.0300.05016.18
5.4.20.0230.05316.09
5.4.10.0170.07016.00
5.4.00.0270.06015.51
5.3.290.0230.07014.66
5.3.280.0270.07014.68
5.3.270.0400.06014.50
5.3.260.0170.08314.65
5.3.250.0400.06014.57
5.3.240.0230.07714.70
5.3.230.0270.07014.50
5.3.220.0230.07314.56
5.3.210.0300.06714.52
5.3.200.0200.07714.64
5.3.190.0230.07314.59
5.3.180.0370.06314.45
5.3.170.0370.06014.47
5.3.160.0170.07314.56
5.3.150.0200.07714.48
5.3.140.0200.07714.64
5.3.130.0200.05314.61
5.3.120.0330.04014.52
5.3.110.0270.05014.46
5.3.100.0330.06014.11
5.3.90.0430.05313.91
5.3.80.0200.07013.94
5.3.70.0370.05313.92
5.3.60.0330.06313.89
5.3.50.0200.05313.98
5.3.40.0170.05713.88
5.3.30.0170.05713.90
5.3.20.0370.05713.79
5.3.10.0270.06313.66
5.3.00.0370.04313.62
5.2.170.0230.05711.12
5.2.160.0100.05311.08
5.2.150.0270.04711.10
5.2.140.0130.05011.10
5.2.130.0270.03311.16
5.2.120.0130.04711.02
5.2.110.0200.04311.04
5.2.100.0200.05011.11
5.2.90.0170.04311.24
5.2.80.0130.04711.25
5.2.70.0200.05711.13
5.2.60.0230.03711.08
5.2.50.0100.04710.93
5.2.40.0130.04310.91
5.2.30.0100.05311.03
5.2.20.0270.04711.02
5.2.10.0130.05710.87
5.2.00.0130.05010.73
5.1.60.0130.03710.01
5.1.50.0130.05010.17
5.1.40.0130.03310.07
5.1.30.0030.04710.38
5.1.20.0100.04310.48
5.1.10.0130.04010.18
5.1.00.0070.04310.26
5.0.50.0030.0308.67
5.0.40.0170.0208.44
5.0.30.0170.0378.29
5.0.20.0100.0308.30
5.0.10.0070.0308.20
5.0.00.0130.0408.19
4.4.90.0100.0207.11
4.4.80.0070.0237.11
4.4.70.0130.0207.11
4.4.60.0070.0277.11
4.4.50.0130.0207.11
4.4.40.0130.0307.11
4.4.30.0100.0237.11
4.4.20.0070.0237.11
4.4.10.0100.0207.11
4.4.00.0130.0337.11
4.3.110.0130.0177.11
4.3.100.0130.0177.11
4.3.90.0100.0207.11
4.3.80.0000.0407.11
4.3.70.0070.0237.11
4.3.60.0030.0277.11
4.3.50.0100.0237.11
4.3.40.0030.0437.11
4.3.30.0000.0277.11
4.3.20.0000.0277.11
4.3.10.0070.0207.11
4.3.00.0100.02310.29

preferences:
40.93 ms | 401 KiB | 5 Q