3v4l.org

run code in 300+ PHP versions simultaneously
<?php $s = " ala KOM1/9/2000 7/7/2015 1-7-2001 7.7.2001 "; echo preg_replace("/(\d+)-(\d+)-(\d+)/", "$2/$3/$1", "2007-01-25"); echo preg_replace( "\d{2}", "XX", $s); ?>

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)
8.3.60.0120.00318.68
8.3.50.0130.00521.23
8.3.40.0070.00718.84
8.3.30.0090.00619.14
8.3.20.0080.00020.16
8.3.10.0090.00020.81
8.3.00.0080.00019.38
8.2.180.0080.01216.88
8.2.170.0070.01122.96
8.2.160.0110.00420.39
8.2.150.0040.00424.18
8.2.140.0030.00524.66
8.2.130.0070.00026.16
8.2.120.0040.00422.11
8.2.110.0090.00020.35
8.2.100.0060.00618.03
8.2.90.0050.00319.09
8.2.80.0040.00417.97
8.2.70.0000.00817.73
8.2.60.0060.00318.04
8.2.50.0050.00518.07
8.2.40.0040.00420.01
8.2.30.0040.00718.18
8.2.20.0040.00417.87
8.2.10.0020.00517.93
8.2.00.0060.00317.74
8.1.280.0070.01425.92
8.1.270.0060.00323.63
8.1.260.0040.00426.35
8.1.250.0000.00728.09
8.1.240.0050.00523.88
8.1.230.0060.00619.09
8.1.220.0060.00317.74
8.1.210.0030.00518.77
8.1.200.0030.00617.25
8.1.190.0040.00417.25
8.1.180.0000.00818.10
8.1.170.0000.00818.83
8.1.160.0050.00221.88
8.1.150.0040.00418.74
8.1.140.0040.00417.45
8.1.130.0030.00317.71
8.1.120.0050.00317.56
8.1.110.0000.00817.43
8.1.100.0070.00017.48
8.1.90.0030.00417.44
8.1.80.0030.00317.49
8.1.70.0030.00317.43
8.1.60.0030.00617.69
8.1.50.0030.00517.58
8.1.40.0000.00817.47
8.1.30.0100.00017.68
8.1.20.0050.00317.78
8.1.10.0070.00017.65
8.1.00.0060.00617.48
8.0.300.0040.00418.77
8.0.290.0030.00617.00
8.0.280.0000.00718.37
8.0.270.0050.00317.31
8.0.260.0040.00417.27
8.0.250.0040.00417.18
8.0.240.0070.00017.13
8.0.230.0040.00417.05
8.0.220.0030.00316.91
8.0.210.0060.00017.02
8.0.200.0040.00417.06
8.0.190.0000.00717.00
8.0.180.0050.00316.94
8.0.170.0080.00017.08
8.0.160.0040.00417.04
8.0.150.0000.00816.91
8.0.140.0000.00716.89
8.0.130.0060.00013.41
8.0.120.0070.00016.95
8.0.110.0050.00317.02
8.0.100.0040.00417.04
8.0.90.0050.00217.03
8.0.80.0070.01117.00
8.0.70.0070.00016.82
8.0.60.0070.00016.91
8.0.50.0030.00517.02
8.0.30.0050.01317.31
8.0.20.0110.00817.40
8.0.10.0040.00417.19
8.0.00.0150.00416.97
7.4.330.0050.00015.00
7.4.320.0060.00016.59
7.4.300.0000.00616.72
7.4.290.0030.00316.64
7.4.280.0000.00816.76
7.4.270.0030.00316.75
7.4.260.0000.00816.68
7.4.250.0040.00416.52
7.4.240.0030.00416.69
7.4.230.0000.00816.76
7.4.220.0060.01316.74
7.4.210.0030.01216.70
7.4.200.0000.00716.79
7.4.160.0080.00816.50
7.4.150.0110.00817.40
7.4.140.0090.00917.86
7.4.130.0040.01316.52
7.4.120.0050.01216.55
7.4.110.0060.01116.54
7.4.100.0100.01316.54
7.4.90.0030.01716.89
7.4.80.0070.01319.39
7.4.70.0090.00616.80
7.4.60.0130.00916.57
7.4.50.0020.00216.55
7.4.40.0030.01316.81
7.4.30.0100.00716.61
7.4.00.0100.00614.86
7.3.330.0030.00313.09
7.3.320.0030.00313.25
7.3.310.0030.00316.19
7.3.300.0000.00716.18
7.3.290.0030.01016.39
7.3.280.0050.01316.32
7.3.270.0110.00717.40
7.3.260.0090.00916.56
7.3.250.0100.00716.50
7.3.240.0090.01216.34
7.3.230.0080.00816.49
7.3.210.0100.00716.50
7.3.200.0120.00619.39
7.3.190.0100.01216.39
7.3.180.0100.01016.59
7.3.170.0050.01416.45
7.3.160.0000.01616.33
7.2.330.0130.01016.87
7.2.320.0070.01116.80
7.2.310.0110.00616.49
7.2.300.0060.00916.48
7.2.290.0140.01016.71
7.2.60.0120.00316.92
7.2.00.0170.00319.55
7.1.200.0030.01315.90
7.1.100.0000.01118.29
7.1.70.0000.00816.96
7.1.60.0060.01919.32
7.1.50.0180.01434.99
7.1.00.0100.07022.42
7.0.200.0030.00616.69
7.0.140.0100.06322.07
7.0.60.0130.07719.96
7.0.50.0170.07017.79
7.0.40.0070.06020.32
7.0.30.0200.03720.04
7.0.20.0200.04320.20
7.0.10.0270.08320.11
7.0.00.0070.05320.20
5.6.280.0030.07321.14
5.6.210.0100.08720.59
5.6.200.0100.05018.12
5.6.190.0100.07720.56
5.6.180.0130.05320.60
5.6.170.0270.05020.28
5.6.160.0100.08020.54
5.6.150.0070.03718.20
5.6.140.0000.04018.20
5.6.130.0100.08318.16
5.6.120.0070.04321.13
5.6.110.0030.08020.98
5.6.100.0100.08021.13
5.6.90.0130.07720.98
5.6.80.0000.06320.35
5.5.350.0070.07320.29
5.5.340.0000.04317.92
5.5.330.0130.08020.20
5.5.320.0130.07020.13
5.5.310.0270.06020.17
5.5.300.0030.04017.95
5.5.290.0100.07018.01
5.5.280.0130.07720.86
5.5.270.0100.08320.86
5.5.260.0070.08320.87
5.5.250.0130.08020.67
5.5.240.0130.04720.03
5.4.450.0770.03719.44
5.4.440.0600.04719.54
5.4.430.0470.03319.25
5.4.420.0630.00019.32
5.4.410.0600.00019.15
5.4.400.0600.00019.02
5.4.390.0600.00019.26
5.4.380.0630.00019.05
5.4.370.0630.00019.15
5.4.360.0600.00019.15
5.4.350.0800.00019.16
5.4.340.0600.00018.92
5.4.320.0090.03512.45
5.4.310.0070.03712.45
5.4.300.0040.03912.45
5.4.290.0070.03712.45
5.4.280.0100.03612.34
5.4.270.0050.04312.34
5.4.260.0080.03712.35
5.4.250.0050.03912.34
5.4.240.0060.03612.34
5.4.230.0040.04312.34
5.4.220.0080.03412.34
5.4.210.0060.03712.34
5.4.200.0050.03912.34
5.4.190.0050.03812.34
5.4.180.0090.04812.34
5.4.170.0090.04012.34
5.4.160.0050.03812.34
5.4.150.0070.03512.34
5.4.140.0060.03712.02
5.4.130.0050.03612.01
5.4.120.0060.03511.97
5.4.110.0070.03411.96
5.4.100.0040.03711.96
5.4.90.0050.03911.96
5.4.80.0070.03511.96
5.4.70.0040.04011.96
5.4.60.0050.04011.96
5.4.50.0080.03311.96
5.4.40.0060.03511.95
5.4.30.0070.03311.95
5.4.20.0060.03511.94
5.4.10.0030.03811.95
5.4.00.0060.03611.43
5.3.290.0030.04212.80
5.3.280.0060.03712.71
5.3.270.0060.03812.73
5.3.260.0040.04212.72
5.3.250.0070.03612.72
5.3.240.0070.03612.72
5.3.230.0040.03912.70
5.3.220.0020.04112.68
5.3.210.0070.03912.68
5.3.200.0070.03912.68
5.3.190.0030.04512.68
5.3.180.0050.03912.67
5.3.170.0010.04112.67
5.3.160.0070.03612.68
5.3.150.0090.03512.68
5.3.140.0080.03612.66
5.3.130.0100.04012.66
5.3.120.0020.04612.66
5.3.110.0060.03812.66
5.3.100.0060.03712.12
5.3.90.0070.04012.08
5.3.80.0060.03812.08
5.3.70.0090.04612.08
5.3.60.0070.03612.06
5.3.50.0090.03412.00
5.3.40.0070.03712.00
5.3.30.0060.03611.95
5.3.20.0040.03811.73
5.3.10.0090.03311.70
5.3.00.0050.03911.69
5.2.170.0080.0289.19
5.2.160.0030.0319.19
5.2.150.0060.0299.19
5.2.140.0040.0319.18
5.2.130.0050.0299.14
5.2.120.0040.0299.15
5.2.110.0020.0319.16
5.2.100.0030.0299.15
5.2.90.0060.0289.15
5.2.80.0060.0309.15
5.2.70.0070.0289.15
5.2.60.0030.0319.10
5.2.50.0040.0319.07
5.2.40.0030.0299.04
5.2.30.0060.0289.03
5.2.20.0010.0319.02
5.2.10.0040.0288.92
5.2.00.0050.0288.78
5.1.60.0030.0258.06
5.1.50.0000.0298.05
5.1.40.0030.0258.04
5.1.30.0000.0318.39
5.1.20.0020.0288.41
5.1.10.0020.0298.14
5.1.00.0070.0228.14
5.0.50.0030.0276.61
5.0.40.0020.0216.47
5.0.30.0050.0286.29
5.0.20.0040.0186.26
5.0.10.0040.0196.23
5.0.00.0020.0326.23
4.4.90.0000.0184.77
4.4.80.0040.0194.76
4.4.70.0040.0164.75
4.4.60.0040.0134.75
4.4.50.0000.0184.77
4.4.40.0040.0244.71
4.4.30.0010.0164.76
4.4.20.0030.0154.84
4.4.10.0020.0164.85
4.4.00.0030.0264.76
4.3.110.0060.0154.66
4.3.100.0040.0134.66
4.3.90.0030.0144.63
4.3.80.0010.0264.59
4.3.70.0030.0144.63
4.3.60.0030.0144.62
4.3.50.0000.0184.63
4.3.40.0010.0254.54
4.3.30.0010.0173.29
4.3.20.0030.0153.25
4.3.10.0020.0153.22
4.3.00.0030.01713.59

preferences:
41.26 ms | 401 KiB | 5 Q