3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = 'hello, [how]foo[how]bar. please don\'t remove [are] you?'; echo preg_replace('#\s*\[.+\]\s*#U', ' ', $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)
8.3.60.0030.01216.71
8.3.50.0180.00322.07
8.3.40.0070.00718.73
8.3.30.0110.00719.13
8.3.20.0080.00020.04
8.3.10.0040.00423.66
8.3.00.0040.00420.64
8.2.180.0070.01118.42
8.2.170.0210.00022.96
8.2.160.0110.00420.52
8.2.150.0000.00824.18
8.2.140.0050.00324.66
8.2.130.0000.00726.16
8.2.120.0000.00720.35
8.2.110.0000.00822.11
8.2.100.0040.00717.97
8.2.90.0040.00419.21
8.2.80.0080.00017.97
8.2.70.0090.00017.63
8.2.60.0050.00317.93
8.2.50.0060.00318.07
8.2.40.0080.00020.07
8.2.30.0000.00718.18
8.2.20.0040.00417.87
8.2.10.0030.00519.77
8.2.00.0040.00417.77
8.1.280.0070.01425.92
8.1.270.0040.00423.99
8.1.260.0000.00826.35
8.1.250.0060.00028.09
8.1.240.0030.00623.95
8.1.230.0080.00419.15
8.1.220.0040.00417.74
8.1.210.0040.00418.77
8.1.200.0100.00017.21
8.1.190.0040.00417.22
8.1.180.0130.00018.10
8.1.170.0050.00318.59
8.1.160.0040.00421.98
8.1.150.0070.00018.73
8.1.140.0070.00017.55
8.1.130.0070.00017.92
8.1.120.0040.00417.60
8.1.110.0030.00517.52
8.1.100.0040.00417.55
8.1.90.0040.00417.41
8.1.80.0030.00417.44
8.1.70.0000.00717.46
8.1.60.0060.00317.60
8.1.50.0050.00317.61
8.1.40.0040.00417.60
8.1.30.0000.01017.70
8.1.20.0080.00017.71
8.1.10.0000.00717.57
8.1.00.0000.00717.52
8.0.300.0000.00718.77
8.0.290.0030.00317.18
8.0.280.0040.00418.47
8.0.270.0030.00317.28
8.0.260.0030.00317.21
8.0.250.0030.00516.98
8.0.240.0030.00317.07
8.0.230.0000.00817.04
8.0.220.0030.00616.89
8.0.210.0040.00416.91
8.0.200.0030.00717.01
8.0.190.0000.00716.95
8.0.180.0000.00816.95
8.0.170.0000.00717.05
8.0.160.0000.00717.03
8.0.150.0050.00216.96
8.0.140.0000.00716.83
8.0.130.0050.00013.36
8.0.120.0040.00416.85
8.0.110.0040.00416.97
8.0.100.0000.00816.82
8.0.90.0050.00317.08
8.0.80.0090.01217.04
8.0.70.0040.00416.95
8.0.60.0040.00416.82
8.0.50.0000.00716.87
8.0.30.0110.00917.16
8.0.20.0060.01117.45
8.0.10.0000.00717.01
8.0.00.0110.00716.83
7.4.330.0030.00315.00
7.4.320.0030.00316.65
7.4.300.0000.00716.65
7.4.290.0080.00016.80
7.4.280.0030.00516.64
7.4.270.0000.00816.65
7.4.260.0000.00716.59
7.4.250.0000.00716.61
7.4.240.0050.00216.68
7.4.230.0040.00416.55
7.4.220.0060.01216.60
7.4.210.0100.00716.72
7.4.200.0000.00716.85
7.4.190.0000.00716.75
7.4.160.0080.00816.86
7.4.150.0130.00317.40
7.4.140.0080.01017.86
7.4.130.0100.01016.63
7.4.120.0120.00516.68
7.4.110.0160.00316.64
7.4.100.0070.01116.69
7.4.90.0070.01316.71
7.4.80.0130.00719.39
7.4.70.0160.00316.60
7.4.60.0060.01216.59
7.4.50.0000.00516.61
7.4.40.0080.00816.50
7.4.30.0100.00716.69
7.4.00.0080.00415.37
7.3.330.0030.00313.09
7.3.320.0050.00013.02
7.3.310.0000.00716.20
7.3.300.0040.00416.13
7.3.290.0110.00316.24
7.3.280.0100.00716.31
7.3.270.0130.00617.40
7.3.260.0070.01116.61
7.3.250.0110.00616.59
7.3.240.0120.00916.27
7.3.230.0120.00616.63
7.3.210.0180.00016.38
7.3.200.0120.00919.39
7.3.190.0060.01216.64
7.3.180.0090.00616.32
7.3.170.0070.01016.46
7.3.160.0100.01016.57
7.3.120.0100.00615.11
7.3.10.0090.00616.23
7.3.00.0000.01116.40
7.2.330.0030.01416.87
7.2.320.0120.01116.59
7.2.310.0130.00316.46
7.2.300.0030.01916.49
7.2.290.0080.01216.59
7.2.130.0100.01016.75
7.2.120.0140.00416.73
7.2.110.0040.01116.47
7.2.100.0110.00816.69
7.2.90.0120.00016.20
7.2.80.0160.00816.71
7.2.70.0130.00716.66
7.2.60.0080.00816.71
7.2.50.0150.00716.36
7.2.40.0210.00316.58
7.2.30.0110.00616.67
7.2.20.0180.00716.75
7.2.10.0110.00716.58
7.2.00.0090.00818.11
7.1.250.0110.00315.55
7.1.100.0040.00818.34
7.1.70.0040.01117.26
7.1.60.0070.01319.46
7.1.50.0100.01017.22
7.1.00.0000.08022.44
7.0.200.0000.00716.82
7.0.140.0030.07322.20
7.0.70.0070.07721.93
7.0.60.0100.05021.68
7.0.50.0100.08722.12
7.0.40.0000.07720.11
7.0.30.0030.08720.18
7.0.20.0000.06019.95
7.0.10.0100.08020.07
7.0.00.0070.08320.14
5.6.280.0000.07721.09
5.6.220.0070.08320.50
5.6.210.0000.08020.77
5.6.200.0070.08721.03
5.6.190.0070.07721.05
5.6.180.0030.08320.93
5.6.170.0070.05021.16
5.6.160.0130.04020.93
5.6.150.0100.05021.16
5.6.140.0030.08321.16
5.6.130.0030.08320.93
5.6.120.0100.08021.02
5.6.110.0000.05721.06
5.6.100.0000.09021.02
5.6.90.0030.04320.92
5.6.80.0030.06020.39
5.6.70.0030.06320.38
5.6.60.0030.07720.43
5.6.50.0030.08020.43
5.6.40.0070.07720.37
5.6.30.0030.06020.48
5.6.20.0030.08020.45
5.6.10.0070.06020.38
5.6.00.0070.06020.29
5.5.360.0100.07320.40
5.5.350.0100.06720.36
5.5.340.0100.06320.89
5.5.330.0070.08020.80
5.5.320.0230.06720.93
5.5.310.0070.08320.86
5.5.300.0030.05320.87
5.5.290.0100.08320.87
5.5.280.0070.08720.75
5.5.270.0100.08020.84
5.5.260.0030.08320.87
5.5.250.0130.07020.58
5.5.240.0000.05020.02
5.5.230.0100.07020.25
5.5.220.0070.05720.16
5.5.210.0030.05320.29
5.5.200.0030.08020.07
5.5.190.0070.08320.11
5.5.180.0100.07719.98
5.5.160.0130.06020.15
5.5.150.0000.08720.25
5.5.140.0030.05320.25
5.5.130.0070.08019.98
5.5.120.0100.07320.26
5.5.110.0100.08320.10
5.5.100.0100.06720.14
5.5.90.0100.04320.14
5.5.80.0000.04020.10
5.5.70.0030.06320.13
5.5.60.0070.03720.13
5.5.50.0000.08319.99
5.5.40.0000.04320.10
5.5.30.0130.06720.12
5.5.20.0100.07720.05
5.5.10.0030.08020.11
5.5.00.0030.08020.04
5.4.450.0030.07319.29
5.4.440.0030.05719.55
5.4.430.0130.07019.44
5.4.420.0070.06719.22
5.4.410.0000.05319.38
5.4.400.0070.05018.93
5.4.390.0000.08719.03
5.4.380.0000.04718.90
5.4.370.0030.05319.11
5.4.360.0070.07019.05
5.4.350.0070.08018.90
5.4.340.0100.07019.06
5.4.320.0070.04719.05
5.4.310.0070.05719.14
5.4.300.0000.08319.04
5.4.290.0030.07718.94
5.4.280.0070.05718.96
5.4.270.0070.05018.81
5.4.260.0030.07318.98
5.4.250.0000.06719.02
5.4.240.0130.07018.97
5.4.230.0000.08319.11
5.4.220.0030.03718.88
5.4.210.0100.07319.05
5.4.200.0030.07718.89
5.4.190.0030.07318.95
5.4.180.0070.07018.89
5.4.170.0100.05719.11
5.4.160.0030.07318.75
5.4.150.0100.07019.07
5.4.140.0000.08016.34
5.4.130.0000.06316.38
5.4.120.0000.05316.06
5.4.110.0030.07316.25
5.4.100.0000.07716.36
5.4.90.0000.07316.33
5.4.80.0000.04316.22
5.4.70.0030.06716.23
5.4.60.0030.07016.38
5.4.50.0070.07016.30
5.4.40.0070.06316.33
5.4.30.0070.05716.20
5.4.20.0000.04716.39
5.4.10.0000.08716.23
5.4.00.0070.07315.56
5.3.290.0030.06314.61
5.3.280.0030.05314.50
5.3.270.0030.08014.61
5.3.260.0030.08014.61
5.3.250.0070.04714.53
5.3.240.0000.07714.61
5.3.230.0100.07014.58
5.3.220.0000.08014.54
5.3.210.0100.07714.56
5.3.200.0070.07714.40
5.3.190.0070.04014.52
5.3.180.0030.07014.42
5.3.170.0070.07714.54
5.3.160.0000.07714.57
5.3.150.0070.06014.55
5.3.140.0070.07714.36
5.3.130.0030.07314.54
5.3.120.0070.07314.55
5.3.110.0000.08314.45
5.3.100.0030.05714.02
5.3.90.0030.07314.01
5.3.80.0030.05713.95
5.3.70.0000.06313.87
5.3.60.0000.04713.86
5.3.50.0000.04013.90
5.3.40.0100.03313.88
5.3.30.0070.07013.91
5.3.20.0000.05313.67
5.3.10.0030.05313.64
5.3.00.0000.07713.58
5.2.170.0000.06312.79
5.2.160.0030.02712.79
5.2.150.0100.05712.79
5.2.140.0000.06012.79
5.2.130.0030.05012.79
5.2.120.0030.06012.79
5.2.110.0000.04012.79
5.2.100.0000.03312.79
5.2.90.0000.03012.79
5.2.80.0070.05712.79
5.2.70.0070.05712.79
5.2.60.0030.06312.79
5.2.50.0070.05012.79
5.2.40.0070.05012.79
5.2.30.0030.06012.79
5.2.20.0000.06012.79
5.2.10.0000.05312.79
5.2.00.0000.04712.79
5.1.60.0000.05712.79
5.1.50.0130.04312.79
5.1.40.0000.04712.79
5.1.30.0030.02712.79
5.1.20.0000.06012.79
5.1.10.0000.06012.79
5.1.00.0030.05312.79
5.0.50.0070.04012.79
5.0.40.0070.04312.79
5.0.30.0030.05312.79
5.0.20.0000.04712.79
5.0.10.0030.03712.79
5.0.00.0030.06012.79
4.4.90.0070.02712.79
4.4.80.0000.04012.79
4.4.70.0000.02312.79
4.4.60.0000.04012.79
4.4.50.0000.03312.79
4.4.40.0000.05312.79
4.4.30.0030.03312.79
4.4.20.0000.03312.79
4.4.10.0000.03712.79
4.4.00.0070.05012.79
4.3.110.0070.02712.79
4.3.100.0030.03712.79
4.3.90.0030.03012.79
4.3.80.0000.04712.79
4.3.70.0030.03312.79
4.3.60.0030.02012.79
4.3.50.0000.02312.79
4.3.40.0000.04712.79
4.3.30.0030.02312.79
4.3.20.0000.02712.79
4.3.10.0030.03712.79
4.3.00.0000.03712.79

preferences:
47.15 ms | 401 KiB | 5 Q