3v4l.org

run code in 300+ PHP versions simultaneously
<?php echo preg_replace('/.*?\b(dog)\b.*?(?=(?1)|$)/', '<$0>', 'where my dog is now?');

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)
8.3.60.0070.01418.43
8.3.50.0120.00621.33
8.3.40.0000.01418.97
8.3.30.0090.00618.91
8.3.20.0000.00820.16
8.3.10.0040.00422.09
8.3.00.0080.00022.39
8.2.180.0200.00316.50
8.2.170.0080.00622.96
8.2.160.0000.01320.57
8.2.150.0040.00424.18
8.2.140.0050.00324.66
8.2.130.0030.00626.16
8.2.120.0080.00019.66
8.2.110.0040.00422.02
8.2.100.0040.00719.27
8.2.90.0040.00419.09
8.2.80.0040.00419.21
8.2.70.0080.00017.73
8.2.60.0040.00417.91
8.2.50.0080.00018.07
8.2.40.0080.00018.03
8.2.30.0040.00417.98
8.2.20.0080.00017.72
8.2.10.0040.00417.57
8.2.00.0040.00417.57
8.1.280.0100.01025.92
8.1.270.0080.00020.44
8.1.260.0070.00026.35
8.1.250.0050.00328.09
8.1.240.0040.00423.82
8.1.230.0040.00819.01
8.1.220.0110.00017.74
8.1.210.0050.00318.77
8.1.200.0080.00017.22
8.1.190.0040.00417.39
8.1.180.0040.00420.24
8.1.170.0030.00518.57
8.1.160.0050.00322.05
8.1.150.0020.00518.50
8.1.140.0040.00417.34
8.1.130.0030.00317.81
8.1.120.0030.00417.55
8.1.110.0070.00017.46
8.1.100.0040.00417.47
8.1.90.0000.00817.38
8.1.80.0040.00417.48
8.1.70.0000.00817.45
8.1.60.0050.00317.63
8.1.50.0000.00817.48
8.1.40.0000.00817.44
8.1.30.0070.00017.65
8.1.20.0040.00417.70
8.1.10.0080.00017.60
8.1.00.0110.00017.51
8.0.300.0000.00818.77
8.0.290.0000.00717.18
8.0.280.0030.00318.52
8.0.270.0030.00317.16
8.0.260.0030.00316.81
8.0.250.0030.00317.07
8.0.240.0000.00816.90
8.0.230.0000.00716.85
8.0.220.0000.00716.81
8.0.210.0030.00316.90
8.0.200.0030.00316.91
8.0.190.0000.00816.87
8.0.180.0070.00016.81
8.0.170.0000.00816.88
8.0.160.0000.00816.77
8.0.150.0080.00016.75
8.0.140.0000.00816.90
8.0.130.0030.00313.37
8.0.120.0000.00716.73
8.0.110.0040.00416.95
8.0.100.0050.00216.77
8.0.90.0000.00716.79
8.0.80.0100.00716.94
8.0.70.0070.00016.77
8.0.60.0040.00416.68
8.0.50.0000.00817.01
8.0.30.0110.01017.27
8.0.20.0080.01217.40
8.0.10.0040.00417.04
8.0.00.0090.00916.86
7.4.330.0030.00315.00
7.4.320.0000.00616.75
7.4.300.0030.00316.51
7.4.290.0080.00016.71
7.4.280.0070.00016.70
7.4.270.0030.00316.68
7.4.260.0040.00416.60
7.4.250.0000.00716.59
7.4.240.0060.00316.55
7.4.230.0000.00616.77
7.4.220.0070.01116.66
7.4.210.0060.01016.71
7.4.200.0070.00016.57
7.4.190.0030.00316.80
7.4.160.0140.00316.73
7.4.150.0140.00417.40
7.4.140.0100.01317.86
7.4.130.0130.00516.57
7.4.120.0100.00716.62
7.4.110.0030.01416.72
7.4.100.0080.01416.61
7.4.90.0030.01516.52
7.4.80.0100.01319.39
7.4.70.0110.00516.38
7.4.60.0030.01316.49
7.4.50.0050.00016.59
7.4.40.0000.01422.77
7.4.30.0080.00816.68
7.4.00.0060.00914.80
7.3.330.0030.00313.07
7.3.320.0050.00013.01
7.3.310.0030.00316.33
7.3.300.0030.00316.27
7.3.290.0070.00716.25
7.3.280.0090.00816.32
7.3.270.0060.01117.40
7.3.260.0100.00716.38
7.3.250.0150.00216.59
7.3.240.0160.00016.66
7.3.230.0070.01116.64
7.3.210.0100.00716.46
7.3.200.0040.01219.39
7.3.190.0130.01016.54
7.3.180.0110.00516.20
7.3.170.0030.01316.65
7.3.160.0080.00816.67
7.3.120.0040.01117.15
7.3.110.0170.00017.15
7.3.100.0040.00717.15
7.3.90.0080.00817.15
7.3.80.0100.00717.15
7.3.70.0110.00317.15
7.3.60.0040.01117.15
7.3.50.0070.01017.15
7.3.40.0000.01517.15
7.3.30.0060.00917.15
7.3.20.0060.00917.15
7.3.10.0000.01517.15
7.3.00.0070.01117.15
7.2.330.0100.00716.68
7.2.320.0110.00616.66
7.2.310.0130.00616.65
7.2.300.0070.01016.63
7.2.290.0100.00716.71
7.2.240.0090.00617.15
7.2.230.0110.00417.15
7.2.220.0040.00717.15
7.2.210.0040.00817.15
7.2.200.0040.01417.15
7.2.190.0040.00717.15
7.2.180.0060.01217.15
7.2.170.0000.01617.15
7.2.160.0090.00617.15
7.2.150.0070.01117.15
7.2.140.0040.01217.15
7.2.130.0110.00617.15
7.2.120.0060.01017.15
7.2.110.0070.00717.15
7.2.100.0090.00917.15
7.2.90.0070.01017.15
7.2.80.0110.00717.15
7.2.70.0000.01817.16
7.2.60.0060.00816.98
7.2.50.0030.01417.15
7.2.40.0030.00917.18
7.2.30.0180.00017.15
7.2.20.0110.00717.15
7.2.10.0030.00717.15
7.2.00.0100.00617.15
7.1.330.0090.00017.15
7.1.320.0030.01417.15
7.1.310.0080.00817.15
7.1.300.0150.00017.15
7.1.290.0100.00317.15
7.1.280.0140.00017.15
7.1.270.0090.00617.15
7.1.260.0140.00317.15
7.1.250.0040.01417.15
7.1.200.0030.00315.48
7.1.70.0090.00017.18
7.1.60.0090.01319.82
7.1.50.0060.01616.94
7.1.00.0070.03022.29
7.0.200.0060.00916.84
7.0.140.0000.07722.15
7.0.60.0200.07319.89
7.0.50.0070.08717.91
7.0.40.0030.05720.29
7.0.30.0170.04320.14
7.0.20.0330.08020.18
7.0.10.0230.04320.11
7.0.00.0170.05720.07
5.6.280.0030.07321.07
5.6.210.0070.08720.70
5.6.200.0100.05718.08
5.6.190.0100.05320.76
5.6.180.4130.04320.49
5.6.170.0200.08020.50
5.6.160.0130.07720.48
5.6.150.0070.08018.19
5.6.140.0070.08318.17
5.6.130.0100.06718.15
5.6.120.0230.05721.14
5.6.110.0130.09020.98
5.6.100.0100.06720.97
5.6.90.0200.07021.04
5.6.80.0100.06720.36
5.6.70.0200.07320.33
5.5.350.0100.03720.52
5.5.340.0100.03317.99
5.5.330.0100.03720.46
5.5.320.0170.07720.24
5.5.310.0230.04320.29
5.5.300.0130.05717.96
5.5.290.0070.05317.98
5.5.280.0070.05720.76
5.5.270.0070.04020.86
5.5.260.0070.03720.83
5.5.250.0170.07320.57
5.5.240.0170.03320.22
5.4.450.0000.06719.64
5.4.440.1000.05319.32
5.4.430.0870.05719.27
5.4.420.0400.04719.47
5.4.410.0500.05319.34
5.4.400.0200.06318.77
5.4.390.0370.05318.49
5.4.380.0200.05018.68
5.4.370.0170.05018.59
5.4.360.0070.05718.67
5.4.350.0120.04411.97
5.4.340.0070.05211.97
5.4.320.0060.03612.45
5.4.310.0060.03812.45
5.4.300.0080.03512.45
5.4.290.0070.03812.45
5.4.280.0050.04012.34
5.4.270.0050.04512.34
5.4.260.0050.03712.35
5.4.250.0230.06318.64
5.4.240.0070.06018.84
5.4.230.0130.07718.93
5.4.220.0030.06318.84
5.4.210.0070.06018.94
5.4.200.0070.05318.93
5.4.190.0000.05718.89
5.4.180.0100.04718.95
5.4.170.0100.05018.89
5.4.160.0030.05718.83
5.4.150.0170.04718.84
5.4.140.0100.04716.28
5.4.130.0000.05316.22
5.4.120.0070.04716.25
5.4.110.0000.05316.36
5.4.100.0100.04316.38
5.4.90.0070.04316.41
5.4.80.0130.04016.47
5.4.70.0030.05016.33
5.4.60.0000.05316.47
5.4.50.0000.06016.21
5.4.40.0130.04016.23
5.4.30.0070.05016.42
5.4.20.0070.04716.35
5.4.10.0130.04316.36
5.4.00.0100.06315.70
5.3.290.0060.04012.80
5.3.280.0100.05714.63
5.3.270.0030.06014.59
5.3.260.0130.07014.61
5.3.250.0030.05014.62
5.3.240.0070.04714.70
5.3.230.0100.04314.47
5.3.220.0030.05314.61
5.3.210.0070.05014.57
5.3.200.0130.04014.39
5.3.190.0200.05314.58
5.3.180.0100.04314.33
5.3.170.0070.05014.60
5.3.160.0000.05314.47
5.3.150.0030.05014.48
5.3.140.0070.05014.47
5.3.130.0030.07314.69
5.3.120.0070.05314.38
5.3.110.0170.04314.54
5.3.100.0030.06014.02
5.3.90.0070.05713.71
5.3.80.0000.05314.12
5.3.70.0070.05013.71
5.3.60.0030.04713.91
5.3.50.0000.05313.80
5.3.40.0070.04713.95
5.3.30.0100.06013.76
5.3.20.0070.04313.70
5.3.10.0130.03713.52
5.3.00.0070.07013.48
5.2.170.0030.04011.15
5.2.160.0030.04011.07
5.2.150.0070.05311.03
5.2.140.0070.04311.14
5.2.130.0030.04311.09
5.2.120.0070.03711.20
5.2.110.0000.04311.24
5.2.100.0070.03711.11
5.2.90.0070.04311.19
5.2.80.0030.04311.02
5.2.70.0000.04311.10
5.2.60.0030.04010.95
5.2.50.0030.04310.77
5.2.40.0100.03011.02
5.2.30.0070.04010.98
5.2.20.0030.05310.97
5.2.10.0030.04010.74
5.2.00.0070.03710.79
5.1.60.0030.0339.90
5.1.50.0030.0339.77
5.1.40.0000.03710.00
5.1.30.0070.03310.21
5.1.20.0000.03710.56
5.1.10.0030.03310.03
5.1.00.0030.03710.02
5.0.50.0030.0278.59
5.0.40.0030.0238.49
5.0.30.0030.0408.15
5.0.20.0030.0238.02
5.0.10.0070.0338.31
5.0.00.0000.0408.06
4.4.90.0030.0206.75
4.4.80.0000.0236.75
4.4.70.0030.0206.75
4.4.60.0100.0136.75
4.4.50.0000.0206.75
4.4.40.0000.0436.75
4.4.30.0000.0206.75
4.4.20.0030.0206.75
4.4.10.0100.0136.75
4.4.00.0000.0436.75
4.3.110.0000.0206.75
4.3.100.0030.0206.75
4.3.90.0030.0276.75
4.3.80.0030.0306.75
4.3.70.0000.0306.75
4.3.60.0000.0206.75
4.3.50.0030.0206.75
4.3.40.0030.0306.75
4.3.30.0000.0236.73
4.3.20.0000.0236.73
4.3.10.0030.0206.73
4.3.00.0030.0206.77

preferences:
47.43 ms | 401 KiB | 5 Q