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)
8.3.60.0130.01018.06
8.3.50.0100.00316.21
8.3.40.0070.01018.80
8.3.30.0100.01018.84
8.3.20.0000.00820.17
8.3.10.0000.00823.65
8.3.00.0080.00022.30
8.2.180.0120.00316.88
8.2.170.0140.00722.96
8.2.160.0150.00020.30
8.2.150.0030.00524.18
8.2.140.0070.00024.66
8.2.130.0000.00826.16
8.2.120.0060.00317.50
8.2.110.0000.00921.04
8.2.100.0110.00017.78
8.2.90.0040.00419.09
8.2.80.0040.00417.97
8.2.70.0000.00817.34
8.2.60.0040.00417.91
8.2.50.0080.00418.07
8.2.40.0000.00821.13
8.2.30.0050.00319.73
8.2.20.0040.00417.59
8.2.10.0000.00718.00
8.2.00.0040.00417.93
8.1.280.0070.01325.92
8.1.270.0080.00020.38
8.1.260.0080.00026.35
8.1.250.0040.00428.09
8.1.240.0000.01217.35
8.1.230.0080.00322.26
8.1.220.0040.00417.74
8.1.210.0030.00518.77
8.1.200.0030.00717.23
8.1.190.0040.00417.23
8.1.180.0030.00518.10
8.1.170.0000.00818.57
8.1.160.0070.00021.99
8.1.150.0030.00518.70
8.1.140.0000.00817.40
8.1.130.0000.00717.55
8.1.120.0040.00417.30
8.1.110.0040.00417.39
8.1.100.0030.00517.44
8.1.90.0040.00417.33
8.1.80.0040.00417.28
8.1.70.0000.00817.40
8.1.60.0080.00017.58
8.1.50.0030.00517.43
8.1.40.0000.00817.51
8.1.30.0040.00417.63
8.1.20.0000.00717.61
8.1.10.0040.00417.63
8.1.00.0040.00417.61
8.0.300.0000.00818.77
8.0.290.0040.00416.75
8.0.280.0000.00718.29
8.0.270.0040.00417.15
8.0.260.0000.00617.17
8.0.250.0080.00016.95
8.0.240.0030.00316.86
8.0.230.0070.00016.95
8.0.220.0000.00816.95
8.0.210.0000.00816.89
8.0.200.0000.00616.88
8.0.190.0040.00416.90
8.0.180.0000.00816.96
8.0.170.0000.00816.95
8.0.160.0000.00716.79
8.0.150.0040.00416.87
8.0.140.0000.00816.77
8.0.130.0000.00513.40
8.0.120.0040.00416.91
8.0.110.0050.00316.82
8.0.100.0000.00716.78
8.0.90.0040.00416.77
8.0.80.0130.00316.80
8.0.70.0040.00416.85
8.0.60.0000.00817.00
8.0.50.0050.00317.00
8.0.30.0080.00916.98
8.0.20.0090.01117.40
8.0.10.0080.00016.97
8.0.00.0110.00816.92
7.4.330.0060.00015.08
7.4.320.0040.00416.43
7.4.300.0000.00616.51
7.4.290.0000.00716.59
7.4.280.0040.00416.50
7.4.270.0000.00716.50
7.4.260.0000.00716.59
7.4.250.0050.00316.46
7.4.240.0040.00316.61
7.4.230.0030.00316.39
7.4.220.0090.01016.47
7.4.210.0030.01216.53
7.4.200.0050.00216.55
7.4.160.0070.01416.58
7.4.150.0170.00017.40
7.4.140.0110.01117.86
7.4.130.0060.01216.50
7.4.120.0110.01016.50
7.4.110.0110.01116.46
7.4.100.0070.01016.54
7.4.90.0170.00016.40
7.4.80.0070.01719.39
7.4.70.0150.00616.43
7.4.60.0100.00716.53
7.4.50.0040.00416.50
7.4.40.0110.01116.66
7.4.30.0060.01216.44
7.4.00.0050.01214.79
7.3.330.0030.00513.05
7.3.320.0030.00313.24
7.3.310.0030.00316.13
7.3.300.0030.00316.28
7.3.290.0060.00816.26
7.3.280.0140.00616.24
7.3.270.0080.00917.40
7.3.260.0070.01716.22
7.3.250.0100.00916.23
7.3.240.0090.00616.22
7.3.230.0090.00816.53
7.3.210.0140.00316.37
7.3.200.0070.01419.39
7.3.190.0080.00816.20
7.3.180.0040.01116.27
7.3.170.0040.01616.57
7.3.160.0140.00716.41
7.3.120.0060.00614.96
7.3.110.0080.00814.64
7.3.100.0120.00314.84
7.3.90.0000.01114.73
7.3.80.0030.01014.79
7.3.70.0030.00614.89
7.3.60.0060.00314.69
7.3.50.0040.00814.91
7.3.40.0060.00914.65
7.3.30.0060.00614.77
7.3.20.0090.00616.38
7.3.10.0030.01016.54
7.3.00.0060.00316.64
7.2.330.0090.01416.30
7.2.320.0100.00716.44
7.2.310.0110.00616.53
7.2.300.0060.01616.43
7.2.290.0110.00516.23
7.2.250.0130.00714.89
7.2.240.0110.00714.95
7.2.230.0050.00514.96
7.2.220.0030.01014.89
7.2.210.0080.00814.77
7.2.200.0030.01014.92
7.2.190.0040.01214.95
7.2.180.0100.00314.94
7.2.170.0070.00714.95
7.2.60.0060.00916.54
7.2.00.0030.00919.22
7.1.330.0030.01315.72
7.1.320.0120.00315.64
7.1.310.0000.01415.93
7.1.300.0000.01515.36
7.1.290.0090.00015.53
7.1.280.0000.00815.46
7.1.270.0040.01115.66
7.1.260.0000.00815.47
7.1.200.0110.00315.45
7.1.100.0090.00317.80
7.1.70.0000.00917.19
7.1.60.0110.01120.03
7.1.50.0100.01016.86
7.1.00.0000.08022.45
7.0.200.0740.00614.81
7.0.60.0100.08020.02
7.0.50.0070.08017.85
7.0.40.0070.08319.96
7.0.30.0370.07020.00
7.0.20.0270.07320.30
7.0.10.0270.08020.02
7.0.00.0070.08320.33
5.6.280.0030.05720.82
5.6.210.0070.04020.74
5.6.200.0070.04018.19
5.6.190.0070.05720.57
5.6.180.0330.05320.43
5.6.170.0300.04720.42
5.6.160.0070.08720.52
5.6.150.0030.04718.18
5.6.140.0070.08318.18
5.6.130.0170.06718.09
5.6.120.0030.09021.13
5.6.110.0130.08720.98
5.6.100.0000.04321.00
5.6.90.0100.08321.09
5.6.80.0070.08020.28
5.6.70.0370.06020.49
5.5.350.0170.07020.32
5.5.340.0170.03317.98
5.5.330.0070.04720.40
5.5.320.0230.04020.29
5.5.310.0330.07320.27
5.5.300.0100.08017.95
5.5.290.0100.07717.95
5.5.280.0100.10320.96
5.5.270.0030.08320.64
5.5.260.0070.07020.75
5.5.250.0170.07320.57
5.5.240.0070.03720.14
5.4.450.0830.05719.52
5.4.440.0930.04719.10
5.4.430.0770.05719.31
5.4.420.0770.06319.54
5.4.410.0770.06019.45
5.4.400.0800.05319.30
5.4.390.0870.06019.22
5.4.380.0870.04719.21
5.4.370.0870.06319.22
5.4.360.0970.07019.08
5.4.350.0830.05319.08
5.4.340.0830.05319.08
5.4.320.0770.06019.30
5.4.310.0870.04319.14
5.4.300.0970.05019.25
5.4.290.0830.05019.30
5.4.280.0870.07019.26
5.4.270.0800.05718.80
5.4.260.0770.05719.29
5.4.250.0830.05018.79
5.4.240.0870.04719.27
5.4.230.0830.05719.30
5.4.220.0870.05019.29
5.4.210.0800.05319.28
5.4.200.1130.05316.56
5.4.190.0900.04319.28
5.4.180.0900.07019.07
5.4.170.0970.06718.95
5.4.160.0830.05318.95
5.4.150.0900.04719.16
5.4.140.0870.05016.33
5.4.130.0830.04716.32
5.4.120.0670.06016.37
5.4.110.0800.04716.44
5.4.100.0800.05016.59
5.4.90.0970.03716.50
5.4.80.0900.04016.35
5.4.70.0900.04316.22
5.4.60.0030.07016.37
5.4.50.0030.05016.47
5.4.40.0100.04716.38
5.4.30.0170.03716.39
5.4.20.0230.03316.44

preferences:
40.31 ms | 400 KiB | 5 Q