3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = 'hello, [h[o]w]. please don\'t remove [are] you?'; echo preg_replace("/\[[.*]+\]/", ' ', $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)
8.3.60.0160.00318.55
8.3.50.0150.00522.06
8.3.40.0070.00718.76
8.3.30.0070.00719.14
8.3.20.0080.00020.13
8.3.10.0000.00823.45
8.3.00.0040.00418.96
8.2.180.0140.00716.88
8.2.170.0080.00822.96
8.2.160.0070.00720.36
8.2.150.0040.00424.18
8.2.140.0000.00724.66
8.2.130.0000.00826.16
8.2.120.0040.00420.97
8.2.110.0070.00320.52
8.2.100.0000.01118.03
8.2.90.0060.00319.20
8.2.80.0000.00817.97
8.2.70.0060.00317.63
8.2.60.0080.00017.93
8.2.50.0060.00318.07
8.2.40.0030.00618.22
8.2.30.0040.00418.24
8.2.20.0030.00517.95
8.2.10.0040.00417.99
8.2.00.0000.00817.83
8.1.280.0140.00025.92
8.1.270.0040.00424.02
8.1.260.0030.00626.35
8.1.250.0040.00428.09
8.1.240.0070.00323.83
8.1.230.0080.00417.72
8.1.220.0060.00317.79
8.1.210.0030.00518.77
8.1.200.0060.00317.47
8.1.190.0000.00817.48
8.1.180.0000.00818.10
8.1.170.0030.00618.55
8.1.160.0030.00521.98
8.1.150.0000.00718.66
8.1.140.0000.00717.65
8.1.130.0070.00017.91
8.1.120.0030.00317.59
8.1.110.0040.00417.43
8.1.100.0040.00417.60
8.1.90.0040.00417.43
8.1.80.0000.00717.45
8.1.70.0000.00717.55
8.1.60.0080.00017.64
8.1.50.0040.00417.49
8.1.40.0040.00417.61
8.1.30.0000.00817.77
8.1.20.0040.00417.70
8.1.10.0060.00317.62
8.1.00.0000.00717.50
8.0.300.0000.00918.77
8.0.290.0000.00716.63
8.0.280.0030.00318.48
8.0.270.0030.00317.21
8.0.260.0000.00617.27
8.0.250.0000.00717.11
8.0.240.0000.00717.11
8.0.230.0000.00617.00
8.0.220.0040.00417.11
8.0.210.0000.00716.97
8.0.200.0000.00616.93
8.0.190.0040.00417.00
8.0.180.0070.00017.04
8.0.170.0000.00817.00
8.0.160.0040.00416.88
8.0.150.0000.00816.95
8.0.140.0000.00716.84
8.0.130.0050.00013.39
8.0.120.0000.00816.90
8.0.110.0030.00316.97
8.0.100.0000.00716.89
8.0.90.0000.00717.16
8.0.80.0070.01616.93
8.0.70.0040.00416.93
8.0.60.0000.00816.98
8.0.50.0070.00017.00
8.0.30.0150.00817.28
8.0.20.0070.01417.46
8.0.10.0000.00717.18
8.0.00.0070.01117.08
7.4.330.0050.00015.00
7.4.320.0000.00616.72
7.4.300.0040.00416.82
7.4.290.0000.00716.80
7.4.280.0030.00616.81
7.4.270.0070.00016.74
7.4.260.0070.00016.83
7.4.250.0000.00816.67
7.4.240.0050.00316.73
7.4.230.0030.00316.72
7.4.220.0120.00616.77
7.4.210.0180.00316.93
7.4.200.0000.00716.84
7.4.190.0030.00316.66
7.4.160.0100.01316.56
7.4.150.0070.01017.40
7.4.140.0140.00317.86
7.4.130.0120.00616.64
7.4.120.0090.01016.70
7.4.110.0150.00316.52
7.4.100.0100.01016.55
7.4.90.0040.01516.83
7.4.80.0120.00419.39
7.4.70.0100.00616.77
7.4.60.0030.01316.71
7.4.50.0040.00416.59
7.4.40.0070.01016.64
7.4.30.0060.00916.75
7.4.00.0120.00314.96
7.3.330.0030.00313.20
7.3.320.0000.00513.20
7.3.310.0070.00016.26
7.3.300.0040.00416.14
7.3.290.0070.00716.27
7.3.280.0080.00916.28
7.3.270.0120.00917.40
7.3.260.0060.01616.67
7.3.250.0090.01216.30
7.3.240.0070.01016.32
7.3.230.0090.00716.63
7.3.210.0100.00716.71
7.3.200.0070.01019.39
7.3.190.0030.01316.46
7.3.180.0100.01016.35
7.3.170.0060.00916.32
7.3.160.0100.00616.28
7.3.120.0040.01114.75
7.2.330.0030.01416.84
7.2.320.0120.00916.43
7.2.310.0040.01316.45
7.2.300.0040.01216.60
7.2.290.0150.00616.74
7.2.00.0110.00818.82
7.1.100.0030.00718.32
7.1.70.0040.00417.42
7.1.60.0140.01019.70
7.1.50.0100.01316.84
7.1.00.0000.08022.42
7.0.200.0000.00816.80
7.0.140.0030.06721.95
7.0.110.0030.05021.75
7.0.100.0030.07321.75
7.0.90.0000.07021.75
7.0.80.0000.08321.81
7.0.70.0000.04721.68
7.0.60.0070.08021.71
7.0.50.0070.07721.66
7.0.40.0100.07719.65
7.0.30.0100.07319.66
7.0.20.0130.07319.86
7.0.10.0070.05019.86
7.0.00.0000.08719.70
5.6.280.0030.07321.11
5.6.260.0000.08320.71
5.6.250.0000.05020.64
5.6.240.0030.04020.66
5.6.230.0100.07320.46
5.6.220.0100.08020.67
5.6.210.0070.07720.71
5.6.200.0130.07720.66
5.6.190.0000.07320.56
5.6.180.0070.08020.61
5.6.170.0000.08320.65
5.6.160.0000.08320.58
5.6.150.0070.08320.55
5.6.140.0070.07720.60
5.6.130.0030.08020.63
5.6.120.0070.07720.61
5.6.110.0000.04020.63
5.6.100.0070.07720.54
5.6.90.0100.07320.59
5.6.80.0030.04719.98
5.6.70.0000.05719.92
5.6.60.0000.08020.05
5.6.50.0070.03720.00
5.6.40.0030.04319.99
5.6.30.0100.04020.21
5.6.20.0030.04720.05
5.6.10.0070.03720.00
5.6.00.0000.04019.96
5.5.380.0070.04717.61
5.5.370.0030.04317.40
5.5.360.0070.07017.51
5.5.350.0030.07717.46
5.5.340.0000.06018.10
5.5.330.0070.07717.99
5.5.320.0070.07718.13
5.5.310.0030.05318.01
5.5.300.0100.07317.84
5.5.290.0070.08018.13
5.5.280.0000.08318.02
5.5.270.0000.08317.86
5.5.260.0000.08017.86
5.5.250.0070.07717.98
5.5.240.0030.07317.15
5.5.230.0100.07717.39
5.5.220.0030.07717.47
5.5.210.0030.08717.50
5.5.200.0030.03717.38
5.5.190.0030.04317.20
5.5.180.0030.03717.51
5.5.160.0000.04317.20
5.5.150.0070.03017.19
5.5.140.0000.04017.24
5.5.130.0030.03317.45
5.5.120.0070.03317.48
5.5.110.0070.04317.20
5.5.100.0070.03717.12
5.5.90.0030.05017.50
5.5.80.0000.03717.11
5.5.70.0100.02717.41
5.5.60.0000.04717.27
5.5.50.0030.03317.09
5.5.40.0070.03317.40
5.5.30.0000.03317.49
5.5.20.0070.03317.13
5.5.10.0000.04017.34
5.5.00.0030.03017.35
5.4.450.0000.05719.28
5.4.440.0000.07319.35
5.4.430.0070.06719.57
5.4.420.0070.04319.57
5.4.410.0030.07319.46
5.4.400.0000.07718.99
5.4.390.0000.05319.08
5.4.380.0030.06319.12
5.4.370.0030.05019.18
5.4.360.0030.04319.27
5.4.350.0100.03019.08
5.4.340.0030.03719.03
5.4.320.0000.04018.93
5.4.310.0030.03718.95
5.4.300.0000.05019.11
5.4.290.0030.03719.07
5.4.280.0030.03319.11
5.4.270.0030.04319.25
5.4.260.0130.02719.10
5.4.250.0000.04019.17
5.4.240.0130.02319.04
5.4.230.0070.03019.02
5.4.220.0000.03719.11
5.4.210.0070.04018.99
5.4.200.0000.03319.09
5.4.190.0000.04018.95
5.4.180.0000.03719.11
5.4.170.0000.03719.17
5.4.160.0000.03319.02
5.4.150.0070.03318.93
5.4.140.0130.02016.47
5.4.130.0070.02716.48
5.4.120.0030.03316.46
5.4.110.0030.03316.28
5.4.100.0030.03316.25
5.4.90.0030.03316.48
5.4.80.0000.03716.34
5.4.70.0000.03716.51
5.4.60.0000.03316.37
5.4.50.0070.02716.47
5.4.40.0030.04316.33
5.4.30.0000.03716.38
5.4.20.0000.03316.52
5.4.10.0000.04016.39
5.4.00.0030.03015.70
5.3.290.0000.04014.56
5.3.280.0000.03314.61
5.3.270.0000.03714.49
5.3.260.0000.03714.49
5.3.250.0030.04014.49
5.3.240.0000.04014.51
5.3.230.0030.03714.45
5.3.220.0000.05014.56
5.3.210.0000.03714.50
5.3.200.0000.04014.57
5.3.190.0000.06714.42
5.3.180.0000.03714.65
5.3.170.0000.03714.59
5.3.160.0030.03014.40
5.3.150.0000.03314.41
5.3.140.0000.03714.55
5.3.130.0030.03314.55
5.3.120.0000.03314.48
5.3.110.0000.03714.40
5.3.100.0030.03314.03
5.3.90.0000.04013.89
5.3.80.0030.03314.03
5.3.70.0030.03313.89
5.3.60.0070.02713.84
5.3.50.0000.03713.88
5.3.40.0000.03713.87
5.3.30.0000.03713.84
5.3.20.0030.05713.61
5.3.10.0000.04713.58
5.3.00.0030.07313.42
5.2.170.0000.03012.08
5.2.160.0030.04012.08
5.2.150.0000.04712.08
5.2.140.0100.05312.08
5.2.130.0000.06012.08
5.2.120.0070.04012.08
5.2.110.0000.06012.08
5.2.100.0000.02712.08
5.2.90.0030.06012.08
5.2.80.0030.05712.08
5.2.70.0000.06012.08
5.2.60.0000.04012.08
5.2.50.0000.03712.08
5.2.40.0000.05312.08
5.2.30.0100.05712.08
5.2.20.0130.05312.08
5.2.10.0100.04012.08
5.2.00.0030.04012.08
5.1.60.0070.05012.08
5.1.50.0030.05012.08
5.1.40.0030.04012.08
5.1.30.0000.05012.08
5.1.20.0000.05712.08
5.1.10.0070.04712.08
5.1.00.0000.05712.08
5.0.50.0030.04712.08
5.0.40.0000.02312.08
5.0.30.0000.06712.08
5.0.20.0000.03012.08
5.0.10.0000.04312.08
5.0.00.0030.06312.08
4.4.90.0000.02312.08
4.4.80.0030.03012.08
4.4.70.0000.02312.08
4.4.60.0000.03012.08
4.4.50.0000.03312.08
4.4.40.0000.05012.08
4.4.30.0000.02712.08
4.4.20.0000.02312.08
4.4.10.0030.01312.08
4.4.00.0030.03712.08
4.3.110.0030.01312.08
4.3.100.0030.03012.08
4.3.90.0000.03312.08
4.3.80.0000.05312.08
4.3.70.0000.03312.08
4.3.60.0000.03312.08
4.3.50.0000.03012.08
4.3.40.0000.05012.08
4.3.30.0000.03312.08
4.3.20.0000.03712.08
4.3.10.0030.03012.08
4.3.00.0030.02312.08

preferences:
44.53 ms | 401 KiB | 5 Q