3v4l.org

run code in 300+ PHP versions simultaneously
<?php function dateCompare($a, $b) { $t1 = strtotime($a); $t2 = strtotime($b); return $t1 - $t2; } print dateCompare('2013-12-02', '2013-12-06'); print dateCompare('2013-12-02', '2013-12-06')/(60*60*24); print 60*60*24;

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)
8.3.40.0150.00018.76
8.3.30.0070.01019.05
8.3.20.0000.00720.09
8.3.10.0040.00422.09
8.3.00.0040.00422.40
8.2.170.0150.00022.96
8.2.160.0030.01219.33
8.2.150.0080.00024.18
8.2.140.0070.00024.66
8.2.130.0170.00026.16
8.2.120.0040.00419.66
8.2.110.0060.00322.25
8.2.100.0060.00618.22
8.2.90.0060.00319.21
8.2.80.0000.00817.97
8.2.70.0050.00517.75
8.2.60.0040.00418.04
8.2.50.0000.00818.07
8.2.40.0080.00018.22
8.2.30.0050.00318.17
8.2.20.0020.00517.88
8.2.10.0040.00417.85
8.2.00.0030.00717.86
8.1.270.0040.00422.05
8.1.260.0040.00426.35
8.1.250.0030.00728.09
8.1.240.0040.00423.72
8.1.230.0040.00719.07
8.1.220.0080.00017.74
8.1.210.0060.00318.77
8.1.200.0030.00617.48
8.1.190.0030.00617.53
8.1.180.0080.00018.86
8.1.170.0090.00018.40
8.1.160.0070.00021.98
8.1.150.0000.00718.69
8.1.140.0000.00717.56
8.1.130.0030.00317.74
8.1.120.0050.00317.52
8.1.110.0050.00217.59
8.1.100.0030.00317.54
8.1.90.0040.00317.48
8.1.80.0000.00817.51
8.1.70.0000.00717.57
8.1.60.0000.00817.71
8.1.50.0040.00417.53
8.1.40.0000.00817.64
8.1.30.0070.00017.72
8.1.20.0000.00817.79
8.1.10.0040.00417.54
8.1.00.0030.00617.48
8.0.300.0000.00818.77
8.0.290.0050.00217.02
8.0.280.0040.00418.50
8.0.270.0030.00317.43
8.0.260.0030.00516.99
8.0.250.0000.00717.14
8.0.240.0000.01017.11
8.0.230.0000.00717.05
8.0.220.0030.00317.06
8.0.210.0000.00717.00
8.0.200.0070.00017.09
8.0.190.0000.00716.99
8.0.180.0030.00417.07
8.0.170.0040.00416.97
8.0.160.0040.00416.88
8.0.150.0070.00017.02
8.0.140.0110.00016.85
8.0.130.0000.00513.30
8.0.120.0000.00816.90
8.0.110.0000.00716.98
8.0.100.0040.00417.06
8.0.90.0000.00817.09
8.0.80.0070.01117.02
8.0.70.0070.00017.09
8.0.60.0070.00016.98
8.0.50.0000.00716.92
8.0.30.0100.00817.05
8.0.20.0080.01017.40
8.0.10.0070.00017.02
8.0.00.0090.01316.90
7.4.330.0050.00015.00
7.4.320.0000.00716.67
7.4.300.0030.00316.75
7.4.290.0000.00716.61
7.4.280.0040.00416.77
7.4.270.0080.00016.66
7.4.260.0000.00716.62
7.4.250.0000.00916.73
7.4.240.0040.00316.68
7.4.230.0000.00716.47
7.4.220.0090.00916.58
7.4.210.0080.01016.72
7.4.200.0040.00416.69
7.4.190.0040.00416.59
7.4.160.0040.01516.72
7.4.150.0120.00617.40
7.4.140.0100.00717.86
7.4.130.0100.00816.71
7.4.120.0070.00916.70
7.4.110.0040.01216.74
7.4.100.0140.00416.53
7.4.90.0060.01216.67
7.4.80.0160.00919.39
7.4.70.0070.01316.59
7.4.60.0100.00616.73
7.4.50.0000.00916.24
7.4.40.0060.00922.77
7.4.30.0100.00616.82
7.4.00.0030.01015.27
7.3.330.0030.00313.29
7.3.320.0060.00013.38
7.3.310.0030.00316.46
7.3.300.0000.00716.44
7.3.290.0090.00616.40
7.3.280.0110.00416.36
7.3.270.0160.00017.40
7.3.260.0100.00716.74
7.3.250.0100.00816.63
7.3.240.0080.00816.45
7.3.230.0030.01916.62
7.3.210.0070.01316.49
7.3.200.0030.01516.78
7.3.190.0100.01416.44
7.3.180.0070.01016.49
7.3.170.0100.00516.75
7.3.160.0040.01816.57
7.3.120.0090.00615.11
7.2.330.0090.00916.98
7.2.320.0160.00316.93
7.2.310.0130.00316.96
7.2.300.0130.00316.53
7.2.290.0080.00916.88
7.2.60.0060.00916.79
7.2.00.0030.01219.63
7.1.200.0060.00915.99
7.1.70.0000.00717.28
7.1.60.0030.00717.41
7.1.50.0190.01334.98
7.1.00.0000.06722.44
7.0.200.0120.00316.66
7.0.140.0070.07021.93
7.0.60.0100.03719.78
7.0.50.0070.07717.88
7.0.40.0100.08720.10
7.0.30.0370.03720.24
7.0.20.0270.08020.33
7.0.10.0170.07320.07
7.0.00.0100.03720.23
5.6.280.0030.07721.11
5.6.210.0070.08720.47
5.6.200.0030.04318.19
5.6.190.0100.05720.52
5.6.180.0230.08020.61
5.6.170.0200.04020.71
5.6.160.0130.08020.52
5.6.150.0200.06018.30
5.6.140.0070.08318.24
5.6.130.0070.07018.26
5.6.120.0130.07320.90
5.6.110.0070.08321.00
5.6.100.0030.08320.89
5.6.90.0070.07021.04
5.6.80.0070.04020.54
5.5.350.0030.07720.32
5.5.340.0130.07717.99
5.5.330.0130.04320.46
5.5.320.3700.03320.24
5.5.310.0230.05320.31
5.5.300.0170.07017.99
5.5.290.0170.06017.94
5.5.280.0030.04720.80
5.5.270.0000.09320.87
5.5.260.0100.07320.87
5.5.250.0070.06020.78
5.5.240.0070.07320.07
5.4.450.0830.03719.48
5.4.440.0770.06019.48
5.4.430.0570.05719.28
5.4.420.0200.05019.38
5.4.410.0100.05019.02
5.4.400.0130.04718.77
5.4.390.0070.05718.77
5.4.380.0100.05018.53
5.4.370.0170.05018.80
5.4.360.0130.05018.62
5.4.350.0130.05718.78
5.4.340.0230.04318.80
5.4.320.0030.04212.50
5.4.310.0050.04512.50
5.4.300.0090.03512.51
5.4.290.0040.03912.50
5.4.280.0080.04012.40
5.4.270.0080.04012.40
5.4.260.0130.06718.84
5.4.250.0130.07318.94
5.4.240.0130.07718.99
5.4.230.0130.06718.80
5.4.220.0130.05718.97
5.4.210.0200.06318.96
5.4.200.0130.06718.79
5.4.190.0230.06318.74
5.4.180.0000.07318.76
5.4.170.0100.07718.79
5.4.160.0100.05318.92
5.4.150.0030.07718.98
5.4.140.0070.05716.60
5.4.130.0000.07016.52
5.4.120.0070.05316.41
5.4.110.0170.04316.41
5.4.100.0170.05316.33
5.4.90.0130.05316.38
5.4.80.0100.05716.60
5.4.70.0030.07716.63
5.4.60.0100.05316.46
5.4.50.0130.05016.40
5.4.40.0170.05016.65
5.4.30.0130.05316.53
5.4.20.0100.05016.32
5.4.10.0170.04716.45
5.4.00.0070.05315.86
5.3.290.0050.04112.80
5.3.280.0070.05314.65
5.3.270.0070.06014.67
5.3.260.0030.08714.63
5.3.250.0130.06714.60
5.3.240.0200.04714.82
5.3.230.0130.04314.42
5.3.220.0100.05314.64
5.3.210.0170.07314.54
5.3.200.0030.06014.58
5.3.190.0230.04314.64
5.3.180.0100.06314.65
5.3.170.0170.05314.63
5.3.160.0170.05014.63
5.3.150.0070.07714.64
5.3.140.0030.05714.57
5.3.130.0070.05314.45
5.3.120.0130.04714.53
5.3.110.0130.04714.63
5.3.100.0070.05014.12
5.3.90.0130.04314.00
5.3.80.0070.05713.85
5.3.70.0070.05014.07
5.3.60.0230.03714.03
5.3.50.0070.05713.86
5.3.40.0070.05013.77
5.3.30.0100.04713.97
5.3.20.0070.05313.77
5.3.10.0130.06713.73
5.3.00.0130.05013.73
5.2.170.0070.04311.13
5.2.160.0070.04311.09
5.2.150.0100.03711.20
5.2.140.0100.05011.21
5.2.130.0070.04311.07
5.2.120.0130.04711.32
5.2.110.0070.05311.16
5.2.100.0030.04011.06
5.2.90.0030.05311.18
5.2.80.0070.05011.25
5.2.70.0130.05011.27
5.2.60.0070.04010.89
5.2.50.0170.03711.01
5.2.40.0130.04711.08
5.2.30.0070.03710.96
5.2.20.0030.04010.80
5.2.10.0100.03310.86
5.2.00.0070.06010.80
5.1.60.0030.04310.09
5.1.50.0070.03010.09
5.1.40.0100.0309.98
5.1.30.0000.04010.50
5.1.20.0070.03710.44
5.1.10.0000.05310.31
5.1.00.0130.03010.13
5.0.50.0100.0208.54
5.0.40.0070.0238.56
5.0.30.0030.0538.46
5.0.20.0070.0238.18
5.0.10.0000.0438.21
5.0.00.0100.0438.25
4.4.90.0030.0277.51
4.4.80.0030.0237.51
4.4.70.0030.0237.51
4.4.60.0030.0307.51
4.4.50.0000.0337.51
4.4.40.0070.0337.51
4.4.30.0100.0137.51
4.4.20.0100.0207.51
4.4.10.0100.0177.51
4.4.00.0030.0307.51
4.3.110.0030.0207.51
4.3.100.0000.0307.51
4.3.90.0070.0237.51
4.3.80.0070.0377.51
4.3.70.0070.0177.51
4.3.60.0030.0307.51
4.3.50.0070.0277.51
4.3.40.0030.0377.51
4.3.30.0030.0237.51
4.3.20.0070.0277.51
4.3.10.0070.0207.51
4.3.00.0070.02313.16

preferences:
48.1 ms | 400 KiB | 5 Q