3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = '2015/09/09'; $b = errg_replace('/[0-9]+\/[0-9]+\/[0-9]+/','\\2/\\3/\\1',$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)
8.3.70.0110.00416.75
8.3.60.0140.00718.68
8.3.50.0110.01121.03
8.3.40.0110.00418.78
8.3.30.0090.00918.88
8.3.20.0000.00720.38
8.3.10.0040.00423.66
8.3.00.0050.00322.39
8.2.190.0120.00616.75
8.2.180.0120.00316.63
8.2.170.0070.01322.96
8.2.160.0140.00020.38
8.2.150.0080.00024.18
8.2.140.0080.00024.66
8.2.130.0080.00026.16
8.2.120.0080.00017.63
8.2.110.0060.00320.35
8.2.100.0080.00317.50
8.2.90.0030.00619.08
8.2.80.0060.00317.97
8.2.70.0060.00317.50
8.2.60.0000.00917.77
8.2.50.0100.00018.07
8.2.40.0000.00821.18
8.2.30.0080.00019.77
8.2.20.0080.00017.69
8.2.10.0030.00518.01
8.2.00.0040.00418.03
8.1.280.0070.00725.92
8.1.270.0000.00820.33
8.1.260.0050.00226.35
8.1.250.0070.00028.09
8.1.240.0060.00322.14
8.1.230.0120.00017.42
8.1.220.0020.00517.74
8.1.210.0040.00418.77
8.1.200.0060.00317.22
8.1.190.0040.00417.13
8.1.180.0050.00318.10
8.1.170.0040.00418.52
8.1.160.0030.00523.73
8.1.150.0000.00818.87
8.1.140.0030.00617.38
8.1.130.0030.00317.64
8.1.120.0000.00717.30
8.1.110.0030.00517.34
8.1.100.0000.00817.37
8.1.90.0000.00717.19
8.1.80.0070.00017.41
8.1.70.0040.00417.35
8.1.60.0030.00517.57
8.1.50.0040.00717.47
8.1.40.0040.00417.47
8.1.30.0050.00317.61
8.1.20.0040.00417.62
8.1.10.0030.00617.61
8.1.00.0040.00417.37
8.0.300.0070.00018.77
8.0.290.0040.00416.75
8.0.280.0030.00318.34
8.0.270.0000.00717.11
8.0.260.0000.00717.10
8.0.250.0040.00416.87
8.0.240.0000.00716.95
8.0.230.0060.00016.74
8.0.220.0040.00416.92
8.0.210.0040.00416.87
8.0.200.0000.00616.96
8.0.190.0080.00016.82
8.0.180.0000.00716.82
8.0.170.0030.00616.96
8.0.160.0040.00416.88
8.0.150.0040.00316.84
8.0.140.0050.00216.79
8.0.130.0050.00013.31
8.0.120.0030.00516.91
8.0.110.0040.00416.75
8.0.100.0040.00416.89
8.0.90.0040.00416.71
8.0.80.0040.01116.94
8.0.70.0000.00716.76
8.0.60.0000.00716.76
8.0.50.0040.00416.93
8.0.30.0090.00816.86
8.0.20.0160.00617.40
8.0.10.0040.00416.84
8.0.00.0090.01216.63
7.4.330.0060.00015.08
7.4.320.0030.00316.44
7.4.300.0040.00416.57
7.4.290.0020.00516.44
7.4.280.0030.00616.60
7.4.270.0030.00316.41
7.4.260.0040.00416.62
7.4.250.0090.00016.61
7.4.240.0020.00516.56
7.4.230.0000.00716.57
7.4.220.0120.00616.53
7.4.210.0040.01116.64
7.4.200.0070.00016.71
7.4.160.0090.00616.66
7.4.150.0120.00917.40
7.4.140.0140.00717.86
7.4.130.0070.01316.52
7.4.120.0100.01016.46
7.4.110.0140.00316.65
7.4.100.0150.00716.68
7.4.90.0090.00916.59
7.4.80.0090.01019.39
7.4.70.0150.00316.66
7.4.60.0060.00916.49
7.4.50.0040.00416.48
7.4.40.0160.00316.54
7.4.30.0130.01016.35
7.4.00.0100.00715.10
7.3.330.0030.00513.10
7.3.320.0030.00313.05
7.3.310.0030.00316.32
7.3.300.0040.00216.23
7.3.290.0090.00716.27
7.3.280.0090.00816.27
7.3.270.0110.00617.40
7.3.260.0080.00816.64
7.3.250.0090.01116.25
7.3.240.0030.01416.30
7.3.230.0060.01216.39
7.3.210.0060.00916.38
7.3.200.0140.00619.39
7.3.190.0040.01216.49
7.3.180.0130.00316.26
7.3.170.0160.00716.30
7.3.160.0070.01016.35
7.2.330.0140.00316.15
7.2.320.0100.00716.54
7.2.310.0070.01116.58
7.2.300.0030.01316.22
7.2.290.0040.01216.30
7.2.60.0110.00416.52
7.2.00.0000.01319.22
7.1.200.0000.01115.73
7.1.100.0040.01117.91
7.1.70.0000.00717.10
7.1.60.0140.01120.03
7.1.50.0130.01016.54
7.1.00.0000.07722.30
7.0.200.0220.00016.63
7.0.60.0100.07719.85
7.0.50.0100.07717.80
7.0.40.0070.04720.40
7.0.30.0600.07320.21
7.0.20.0300.04720.30
7.0.10.0370.07320.02
7.0.00.0030.06320.12
5.6.280.0030.06321.02
5.6.210.0070.06320.50
5.6.200.0030.04718.19
5.6.190.0100.08320.61
5.6.180.0370.07020.41
5.6.170.0300.06720.52
5.6.160.0070.03720.46
5.6.150.0030.08018.21
5.6.140.0030.04318.11
5.6.130.0070.06718.20
5.6.120.0070.08321.11
5.6.110.0030.07720.98
5.6.100.0030.05721.03
5.6.90.0030.09720.96
5.6.80.0100.05320.36
5.6.70.3170.03320.36
5.5.350.0130.08320.39
5.5.340.0030.04717.95
5.5.330.0030.04320.37
5.5.320.0400.04720.28
5.5.310.0170.07020.20
5.5.300.0100.07717.91
5.5.290.0030.04317.97
5.5.280.0000.07320.94
5.5.270.0100.04020.86
5.5.260.0030.08020.74
5.5.250.0170.07720.61
5.5.240.0300.05720.34
5.4.450.0930.04019.45
5.4.440.0870.06319.26
5.4.430.0930.04719.50
5.4.420.0870.06319.09
5.4.410.1300.05319.43
5.4.400.0900.06018.89
5.4.390.0900.05719.25
5.4.380.0570.06719.15
5.4.370.0100.05318.76
5.4.360.0100.05319.08
5.4.350.0200.06019.29
5.4.340.0770.05719.15
5.4.320.0670.05719.10
5.4.310.0800.05319.15
5.4.300.0800.05019.18
5.4.290.0900.04719.16
5.4.280.0600.06019.20
5.4.270.0900.06719.20
5.4.260.0800.06019.12
5.4.250.0900.05019.14
5.4.240.0630.05319.20
5.4.230.1170.05719.04
5.4.220.1000.06718.75
5.4.210.0770.05719.10
5.4.200.0870.07016.78
5.4.190.0930.06318.90
5.4.180.0770.05018.79
5.4.170.0600.07019.26
5.4.160.0570.05718.95
5.4.150.0700.04718.79
5.4.140.0730.06016.52
5.4.130.0600.05716.27
5.4.120.0770.04716.18
5.4.110.0770.04716.42
5.4.100.0800.04716.36
5.4.90.0730.06016.34
5.4.80.0800.04316.30
5.4.70.0800.04316.44
5.4.60.0270.04316.41
5.4.50.0030.08016.15
5.4.40.0030.03716.40
5.4.30.0070.05716.39
5.4.20.0130.04316.18

preferences:
24.62 ms | 401 KiB | 5 Q