3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = '2015/09/09'; $b = prge_replace('/([0-9]+)/([0-9]+)/([0-9]+)/','$2/$3/$1',$a); echo $b;

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)
8.3.40.0090.00918.72
8.3.30.0070.00718.84
8.3.20.0040.00420.30
8.3.10.0090.00023.61
8.3.00.0080.00022.39
8.2.170.0070.01322.96
8.2.160.0130.00020.52
8.2.150.0080.00024.18
8.2.140.0040.00424.66
8.2.130.0070.00026.16
8.2.120.0040.00417.63
8.2.110.0060.00319.27
8.2.100.0070.00417.84
8.2.90.0000.00819.09
8.2.80.0040.00417.97
8.2.70.0090.00017.62
8.2.60.0060.00317.80
8.2.50.0100.00318.07
8.2.40.0080.00021.20
8.2.30.0040.00419.77
8.2.20.0000.00817.68
8.2.10.0030.00518.03
8.2.00.0030.00618.02
8.1.270.0070.00020.26
8.1.260.0050.00326.35
8.1.250.0070.00028.09
8.1.240.0100.00721.34
8.1.230.0070.00417.42
8.1.220.0090.00017.77
8.1.210.0030.00618.77
8.1.200.0040.00717.35
8.1.190.0080.00017.00
8.1.180.0030.00518.10
8.1.170.0080.00018.59
8.1.160.0000.00723.73
8.1.150.0080.00018.82
8.1.140.0030.00617.26
8.1.130.0030.00317.55
8.1.120.0040.00417.30
8.1.110.0020.00517.39
8.1.100.0000.00717.34
8.1.90.0000.00817.20
8.1.80.0030.00517.39
8.1.70.0050.00217.42
8.1.60.0030.00617.54
8.1.50.0040.00417.59
8.1.40.0000.00817.46
8.1.30.0060.00317.56
8.1.20.0000.00817.66
8.1.10.0000.00717.45
8.1.00.0050.00317.52
8.0.300.0070.00018.77
8.0.290.0000.00716.63
8.0.280.0030.00318.37
8.0.270.0070.00017.20
8.0.260.0000.00617.19
8.0.250.0070.00016.98
8.0.240.0030.00316.95
8.0.230.0040.00416.77
8.0.220.0070.00016.79
8.0.210.0070.00016.77
8.0.200.0000.00616.84
8.0.190.0060.00316.94
8.0.180.0070.00016.80
8.0.170.0000.00916.80
8.0.160.0070.00016.96
8.0.150.0070.00016.79
8.0.140.0030.00516.82
8.0.130.0000.00813.29
8.0.120.0050.00316.82
8.0.110.0000.00716.73
8.0.100.0040.00416.76
8.0.90.0000.00716.86
8.0.80.0080.00816.96
8.0.70.0070.00016.69
8.0.60.0000.00716.96
8.0.50.0040.00416.82
8.0.30.0120.00917.14
8.0.20.0120.00717.40
8.0.10.0040.00417.12
8.0.00.0070.01316.73
7.4.330.0000.00615.08
7.4.320.0000.00716.44
7.4.300.0040.00416.42
7.4.290.0000.00816.47
7.4.280.0050.00316.59
7.4.270.0000.00816.52
7.4.260.0000.00716.49
7.4.250.0040.00416.39
7.4.240.0050.00216.59
7.4.230.0030.00316.68
7.4.220.0040.01216.53
7.4.210.0100.00716.68
7.4.200.0060.00316.55
7.4.160.0060.00916.56
7.4.150.0120.01217.40
7.4.140.0110.01117.86
7.4.130.0060.01116.47
7.4.120.0110.00716.59
7.4.110.0030.01316.49
7.4.100.0120.00616.58
7.4.90.0060.01616.55
7.4.80.0090.00919.39
7.4.70.0080.00816.37
7.4.60.0080.00816.42
7.4.50.0060.00316.60
7.4.40.0060.01616.63
7.4.30.0120.00616.60
7.4.00.0030.01314.80
7.3.330.0030.00313.11
7.3.320.0040.00413.02
7.3.310.0000.00716.27
7.3.300.0070.00016.22
7.3.290.0090.00816.23
7.3.280.0100.00816.26
7.3.270.0060.01117.40
7.3.260.0140.00316.37
7.3.250.0080.00916.47
7.3.240.0060.01016.20
7.3.230.0130.01016.39
7.3.210.0120.00416.48
7.3.200.0140.00319.39
7.3.190.0100.00616.23
7.3.180.0090.00616.50
7.3.170.0080.01116.50
7.3.160.0070.01016.25
7.2.330.0090.01616.30
7.2.320.0150.00316.22
7.2.310.0070.01116.57
7.2.300.0040.01316.55
7.2.290.0060.01016.20
7.2.60.0060.00916.62
7.2.00.0000.01219.11
7.1.200.0080.00015.60
7.1.100.0100.01017.90
7.1.70.0160.00617.11
7.1.60.0120.01220.03
7.1.50.0060.00616.74
7.1.00.0030.07722.40
7.0.200.0920.00614.65
7.0.60.0100.08019.96
7.0.50.0030.06717.71
7.0.40.0170.04320.30
7.0.30.0570.04320.12
7.0.20.0370.07020.11
7.0.10.0370.07320.16
7.0.00.0130.07720.19
5.6.280.0000.07021.10
5.6.210.0100.07720.54
5.6.200.0070.08318.23
5.6.190.0070.04020.56
5.6.180.0330.05720.56
5.6.170.0200.07720.71
5.6.160.0070.07020.27
5.6.150.0130.07718.12
5.6.140.0070.08018.16
5.6.130.0130.06718.22
5.6.120.0070.09020.98
5.6.110.0130.07321.00
5.6.100.0070.06021.02
5.6.90.0200.07320.87
5.6.80.0030.03720.41
5.6.70.0270.07320.49
5.5.350.0100.07320.39
5.5.340.0030.04717.88
5.5.330.0030.05020.43
5.5.320.0200.04020.50
5.5.310.0300.06720.34
5.5.300.0030.04017.89
5.5.290.0030.09017.95
5.5.280.0030.07020.64
5.5.270.0100.05320.75
5.5.260.0200.07720.76
5.5.250.0030.06320.46
5.5.240.0030.07320.36
5.4.450.0770.05719.65
5.4.440.0770.05719.10
5.4.430.0730.05319.60
5.4.420.0770.05019.26
5.4.410.0800.06019.46
5.4.400.0630.06019.09
5.4.390.0770.06018.96
5.4.380.0730.05019.14
5.4.370.0770.05019.25
5.4.360.0700.05319.30
5.4.350.0830.04019.30
5.4.340.0800.06718.99
5.4.320.0830.05319.10
5.4.310.0900.04318.82
5.4.300.0730.06018.94
5.4.290.0730.05719.30
5.4.280.0700.06018.95
5.4.270.0970.05018.92
5.4.260.0870.05319.21
5.4.250.0800.05019.27
5.4.240.0470.04719.08
5.4.230.0130.04719.11
5.4.220.0330.05319.13
5.4.210.0630.06018.96
5.4.200.0070.05316.89
5.4.190.0830.05719.18
5.4.180.0500.06019.13
5.4.170.0970.05018.94
5.4.160.0200.04719.12
5.4.150.0070.05318.92
5.4.140.0500.05016.23
5.4.130.0730.05316.27
5.4.120.0700.04716.38
5.4.110.0900.05316.60
5.4.100.0700.05716.36
5.4.90.0730.05016.44
5.4.80.0670.06316.27
5.4.70.0800.05316.24
5.4.60.0070.06316.16
5.4.50.0070.07016.36
5.4.40.0030.03716.28
5.4.30.0270.06716.38
5.4.20.0230.03316.39

preferences:
44.88 ms | 400 KiB | 5 Q