3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = "ab"; echo preg_replace("/(a)|(b)/", "(+$2+)(-$1-)", $a);

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)
8.3.70.0070.01418.43
8.3.60.0140.00716.50
8.3.50.0120.00516.47
8.3.40.0060.00918.86
8.3.30.0120.00319.02
8.3.20.0050.00320.34
8.3.10.0070.00323.42
8.3.00.0040.00421.95
8.2.190.0030.01716.75
8.2.180.0040.01116.63
8.2.170.0070.00722.96
8.2.160.0180.00419.14
8.2.150.0030.00624.18
8.2.140.0050.00324.66
8.2.130.0040.00421.16
8.2.120.0030.00626.16
8.2.110.0030.00622.38
8.2.100.0040.00718.03
8.2.90.0080.00019.22
8.2.80.0030.00517.97
8.2.70.0000.01017.73
8.2.60.0000.00818.05
8.2.50.0040.00418.10
8.2.40.0040.00420.61
8.2.30.0040.00421.08
8.2.20.0090.00018.08
8.2.10.0020.00518.00
8.2.00.0000.00718.00
8.1.280.0140.00725.92
8.1.270.0050.00323.92
8.1.260.0000.00726.35
8.1.250.0040.00428.09
8.1.240.0120.00019.32
8.1.230.0000.01019.01
8.1.220.0030.00517.76
8.1.210.0060.00318.77
8.1.200.0090.00017.35
8.1.190.0030.00517.22
8.1.180.0000.00818.10
8.1.170.0050.00219.12
8.1.160.0040.00419.06
8.1.150.0000.00820.65
8.1.140.0030.00519.50
8.1.130.0000.00918.72
8.1.120.0070.00017.56
8.1.110.0000.00917.49
8.1.100.0030.00317.44
8.1.90.0030.00517.55
8.1.80.0030.00517.45
8.1.70.0040.00417.50
8.1.60.0090.00317.58
8.1.50.0050.00317.51
8.1.40.0000.00817.49
8.1.30.0030.00617.68
8.1.20.0040.00417.71
8.1.10.0000.00817.59
8.1.00.0060.00317.66
8.0.300.0000.00720.16
8.0.290.0080.00016.88
8.0.280.0030.00318.34
8.0.270.0070.00017.28
8.0.260.0000.00816.95
8.0.250.0030.00317.01
8.0.240.0050.00517.10
8.0.230.0000.00816.92
8.0.220.0070.00017.01
8.0.210.0030.00316.97
8.0.200.0000.00617.02
8.0.190.0060.00317.05
8.0.180.0040.00417.04
8.0.170.0000.00716.92
8.0.160.0040.00417.07
8.0.150.0070.00016.93
8.0.140.0040.00416.99
8.0.130.0000.00513.34
8.0.120.0040.00416.96
8.0.110.0000.00716.86
8.0.100.0040.00416.86
8.0.90.0000.00716.98
8.0.80.0060.01116.97
8.0.70.0000.00816.97
8.0.60.0040.00416.75
8.0.50.0000.00716.85
8.0.30.0030.01417.05
8.0.20.0110.00817.45
8.0.10.0000.00816.96
8.0.00.0140.00416.72
7.4.330.0050.00015.55
7.4.320.0000.00716.76
7.4.300.0040.00416.64
7.4.290.0000.00816.54
7.4.280.0070.00016.72
7.4.270.0000.00816.72
7.4.260.0000.00716.63
7.4.250.0000.00716.63
7.4.240.0030.00516.75
7.4.230.0000.00716.55
7.4.220.0090.01016.82
7.4.210.0070.00716.83
7.4.200.0000.00716.58
7.4.160.0050.01116.57
7.4.150.0290.02717.40
7.4.140.0130.00917.86
7.4.130.0190.00016.79
7.4.120.0090.01216.64
7.4.110.0090.01516.57
7.4.100.0150.00616.68
7.4.90.0100.00816.60
7.4.80.0100.01319.39
7.4.70.0110.00616.59
7.4.60.0060.00916.71
7.4.50.0060.00916.73
7.4.40.0080.00816.62
7.4.30.0070.01116.57
7.4.00.0030.01414.75
7.3.330.0000.00513.21
7.3.320.0000.00513.21
7.3.310.0000.00716.43
7.3.300.0000.00716.24
7.3.290.0110.00816.29
7.3.280.0110.00616.25
7.3.270.0070.01117.40
7.3.260.0120.00516.46
7.3.250.0100.00816.55
7.3.240.0110.01016.45
7.3.230.0070.01116.62
7.3.210.0030.01716.32
7.3.200.0070.01016.66
7.3.190.0140.00716.54
7.3.180.0080.00816.46
7.3.170.0150.00416.30
7.3.160.0130.00316.61
7.3.10.0140.00316.87
7.3.00.0030.01416.80
7.2.330.0290.01616.63
7.2.320.0090.01216.58
7.2.310.0130.00316.82
7.2.300.0200.00316.59
7.2.290.0080.00816.54
7.2.130.0030.01316.88
7.2.120.0100.00716.77
7.2.110.0090.00016.96
7.2.100.0030.00917.04
7.2.90.0030.01317.13
7.2.80.0070.00717.02
7.2.70.0110.00417.00
7.2.60.0080.01216.77
7.2.50.0040.01216.88
7.2.40.0040.00717.06
7.2.30.0040.00716.88
7.2.20.0100.00316.92
7.2.10.0090.00617.03
7.2.00.0100.00017.02
7.1.250.0000.01515.86
7.1.200.0000.01615.74
7.1.100.0060.00618.11
7.1.70.0110.00717.43
7.1.60.0200.02135.17
7.1.50.0340.00935.00
7.1.40.0380.00834.55
7.1.30.0330.01034.63
7.1.20.0300.00834.54
7.1.10.0030.01816.77
7.1.00.0060.01416.63
7.0.200.0060.01217.02
7.0.190.0040.01516.79
7.0.180.0090.01316.50
7.0.170.0030.01716.48
7.0.160.0060.01216.38
7.0.150.0090.01216.26
7.0.140.0040.01416.66
7.0.130.0050.01616.82
7.0.120.0060.01816.64
7.0.110.0000.02016.52
7.0.100.0140.00516.54
7.0.90.0130.01216.52
7.0.80.0170.01116.37
7.0.70.0130.01316.30
7.0.60.0030.01516.17
7.0.50.0100.01016.56
7.0.40.0050.01516.84
7.0.30.0070.01316.75
7.0.20.0110.00716.60
7.0.10.0090.01016.56
7.0.00.0040.01516.71

preferences:
31.84 ms | 401 KiB | 5 Q