3v4l.org

run code in 300+ PHP versions simultaneously
<?php $abcd="this-is-a-test"; $abcd = preg_replace('/( *)/','', $abcd); echo $abcd."\n";

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
8.3.50.0170.00222.99
8.3.40.0030.01118.67
8.3.30.0070.00718.83
8.3.20.0080.00020.26
8.3.10.0080.00021.82
8.3.00.0050.00319.56
8.2.180.0150.00616.47
8.2.170.0120.00322.96
8.2.160.0070.00720.50
8.2.150.0070.00024.18
8.2.140.0080.00024.66
8.2.130.0030.00526.16
8.2.120.0080.00019.61
8.2.110.0090.00019.14
8.2.100.0080.00318.03
8.2.90.0090.00019.21
8.2.80.0000.00817.97
8.2.70.0040.00817.63
8.2.60.0000.00817.93
8.2.50.0060.00318.07
8.2.40.0000.00818.34
8.2.30.0030.00319.46
8.2.20.0050.00217.76
8.2.10.0080.00018.20
8.2.00.0050.00318.01
8.1.280.0070.01325.92
8.1.270.0000.00822.08
8.1.260.0000.00726.35
8.1.250.0040.00428.09
8.1.240.0060.00321.34
8.1.230.0120.00017.52
8.1.220.0040.00417.78
8.1.210.0060.00318.77
8.1.200.0070.00317.48
8.1.190.0000.00817.35
8.1.180.0000.00818.10
8.1.170.0000.00918.77
8.1.160.0040.00418.76
8.1.150.0000.00718.76
8.1.140.0070.00017.43
8.1.130.0040.00417.78
8.1.120.0030.00617.55
8.1.110.0040.00417.60
8.1.100.0000.00717.52
8.1.90.0050.00217.57
8.1.80.0070.00017.42
8.1.70.0000.00717.41
8.1.60.0030.00617.75
8.1.50.0030.00517.61
8.1.40.0030.00717.47
8.1.30.0040.00417.74
8.1.20.0080.00017.73
8.1.10.0000.00717.64
8.1.00.0040.00417.52
8.0.300.0070.00018.77
8.0.290.0070.00016.75
8.0.280.0030.00318.45
8.0.270.0040.00417.22
8.0.260.0060.00017.27
8.0.250.0030.00317.16
8.0.240.0040.00417.17
8.0.230.0070.00017.06
8.0.220.0070.00017.01
8.0.210.0050.00217.16
8.0.200.0040.00417.13
8.0.190.0040.00417.14
8.0.180.0040.00417.00
8.0.170.0030.00517.20
8.0.160.0030.00317.14
8.0.150.0070.00017.09
8.0.140.0070.00017.08
8.0.130.0090.00013.55
8.0.120.0000.00817.05
8.0.110.0000.00817.00
8.0.100.0000.00717.08
8.0.90.0000.00716.93
8.0.80.0110.00417.07
8.0.70.0040.00416.89
8.0.60.0040.00417.16
8.0.50.0040.00417.15
8.0.30.0110.00817.31
8.0.20.0140.00517.42
8.0.10.0000.00716.88
8.0.00.0070.00916.83
7.4.330.0020.00215.16
7.4.320.0000.00616.66
7.4.300.0030.00316.69
7.4.290.0100.00016.72
7.4.280.0030.00616.61
7.4.270.0000.00816.56
7.4.260.0060.00316.63
7.4.250.0040.00416.59
7.4.240.0000.00716.67
7.4.230.0000.00716.84
7.4.220.0130.00616.69
7.4.210.0030.02016.73
7.4.200.0030.00316.55
7.4.160.0070.01016.73
7.4.150.0150.00317.40
7.4.140.0040.01417.86
7.4.130.0040.01316.63
7.4.120.0100.00716.62
7.4.110.0100.00916.64
7.4.100.0100.00716.73
7.4.90.0090.00916.50
7.4.80.0060.01319.39
7.4.70.0070.01116.56
7.4.60.0130.00316.64
7.4.50.0090.00016.81
7.4.40.0000.01616.65
7.4.30.0110.00616.66
7.4.00.0070.01015.05
7.3.330.0000.00513.16
7.3.320.0030.00313.30
7.3.310.0030.00316.30
7.3.300.0030.00316.41
7.3.290.0100.00616.41
7.3.280.0130.00416.41
7.3.270.0090.01017.40
7.3.260.0100.00616.67
7.3.250.0090.00916.51
7.3.240.0110.00616.45
7.3.230.0080.00816.45
7.3.210.0100.00716.66
7.3.200.0060.00619.39
7.3.190.0100.00716.29
7.3.180.0090.00616.26
7.3.170.0030.01316.41
7.3.160.0120.00616.36
7.3.10.0030.01316.73
7.3.00.0040.00716.56
7.2.330.0160.00316.89
7.2.320.0100.00716.81
7.2.310.0030.01616.77
7.2.300.0070.01016.82
7.2.290.0090.00916.89
7.2.130.0060.00316.89
7.2.120.0090.00316.80
7.2.110.0040.01217.02
7.2.100.0100.00616.88
7.2.90.0140.00317.23
7.2.80.0060.00917.15
7.2.70.0000.01117.04
7.2.60.0030.01116.84
7.2.50.0080.00517.17
7.2.40.0040.00817.07
7.2.30.0070.00717.19
7.2.20.0060.00917.15
7.2.10.0070.00717.11
7.2.00.0030.00918.23
7.1.250.0070.00715.98
7.1.200.0150.00415.93
7.1.100.0020.00518.04
7.1.70.0000.00817.44
7.1.60.0100.01419.34
7.1.50.0070.01817.24
7.1.00.0070.07022.29
7.0.200.0080.00017.15
7.0.140.0000.03322.00
7.0.60.0070.07319.98
7.0.50.0130.07317.83
7.0.40.0100.08320.16
7.0.30.0270.05320.11
7.0.20.0270.06020.22
7.0.10.0070.08020.11
7.0.00.0070.05020.10
5.6.280.0100.06721.14
5.6.210.0070.04720.47
5.6.200.0130.03718.13
5.6.190.0000.05720.57
5.6.180.3470.03720.49
5.6.170.0270.04720.52
5.6.160.0070.09020.38
5.6.150.0070.08018.11
5.6.140.0030.07718.09
5.6.130.0130.08018.16
5.6.120.0170.06321.14
5.6.110.0030.04021.11
5.6.100.0130.06721.03
5.6.90.0070.06720.99
5.6.80.0030.04020.44
5.6.70.4200.03320.34
5.5.350.0330.07320.44
5.5.340.0070.07317.97
5.5.330.0130.08020.37
5.5.320.3170.03720.34
5.5.310.0230.05320.23
5.5.300.0030.04017.95
5.5.290.0070.06717.98
5.5.280.0070.09020.79
5.5.270.0070.05720.63
5.5.260.0130.07020.79
5.5.250.0100.08720.54
5.5.240.0200.07320.06
5.4.450.3730.04319.25
5.4.440.0130.04319.32
5.4.430.1570.06719.38
5.4.420.4600.04319.32
5.4.410.0170.03319.28
5.4.400.3830.03719.11
5.4.390.3870.04018.91
5.4.380.3530.04318.92
5.4.370.3870.04018.97
5.4.360.3870.04019.13
5.4.350.0070.06718.88
5.4.340.2100.03019.17
5.4.320.4030.03719.24
5.4.310.4130.04019.14
5.4.300.3800.03319.14
5.4.290.3830.04019.17
5.4.280.3070.04718.87
5.4.270.3830.03319.15
5.4.260.3970.04319.16
5.4.250.3830.03719.14
5.4.240.4000.05018.88
5.4.230.3900.03318.86
5.4.220.3870.04019.11
5.4.210.4500.03319.11
5.4.200.4000.04019.23
5.4.190.4530.04019.03
5.4.180.4570.03318.91
5.4.170.3970.04018.96
5.4.160.4600.03719.12
5.4.150.4470.04019.04
5.4.140.4470.03316.35
5.4.130.3830.03316.13
5.4.120.4200.04016.43
5.4.110.3530.03316.16
5.4.100.3470.04016.34
5.4.90.3900.03316.40
5.4.80.4600.03316.18
5.4.70.4570.03316.24
5.4.60.4200.03716.10
5.4.50.3230.04016.47
5.4.40.3630.03716.27
5.4.30.3670.03016.11
5.4.20.3470.03716.46
5.4.10.3600.03316.46
5.4.00.4100.04315.69
5.3.290.4600.03314.45
5.3.280.4030.03314.55
5.3.270.4500.04314.42
5.3.260.4300.03314.56
5.3.250.4370.03014.68
5.3.240.4130.03714.56
5.3.230.4430.03714.68
5.3.220.4370.03714.44
5.3.210.3830.03714.48
5.3.200.4400.03714.53
5.3.190.3670.03714.54
5.3.180.4530.03714.38
5.3.170.4300.03014.34
5.3.160.4070.04714.45
5.3.150.3470.04014.51
5.3.140.3630.03314.37
5.3.130.3830.03714.36
5.3.120.3630.03314.46
5.3.110.3770.02714.46
5.3.100.3600.03314.04
5.3.90.3670.03013.97
5.3.80.3500.04313.94
5.3.70.3500.03313.98
5.3.60.3970.03313.82
5.3.50.3800.04713.78
5.3.40.3800.04013.87
5.3.30.3830.03313.88
5.3.20.3570.03713.62
5.3.10.4300.03313.47
5.3.00.4100.03313.57
5.2.170.3230.03311.00
5.2.160.2830.03311.00
5.2.150.3430.03311.15
5.2.140.3200.03011.02
5.2.130.3430.03010.92
5.2.120.3570.02711.20
5.2.110.3100.01711.01
5.2.100.3300.03011.18
5.2.90.3070.02711.27
5.2.80.3500.03011.09
5.2.70.3170.03011.07
5.2.60.3330.02710.98
5.2.50.3670.02310.87
5.2.40.3200.02711.00
5.2.30.3230.02310.80
5.2.20.2970.03010.89
5.2.10.2830.02310.84
5.2.00.2800.03010.70
5.1.60.2800.0239.89
5.1.50.2900.0209.94
5.1.40.2870.02310.02
5.1.30.3170.02710.23
5.1.20.3170.02310.25
5.1.10.3130.03010.13
5.1.00.3230.02710.03
5.0.50.1230.0278.51
5.0.40.1330.0208.38
5.0.30.1170.0338.23
5.0.20.1400.0138.21
5.0.10.1470.0278.07
5.0.00.1400.0408.08
4.4.90.1570.0106.32
4.4.80.1500.0206.32
4.4.70.1370.0176.32
4.4.60.1870.0136.32
4.4.50.1730.0136.32
4.4.40.1530.0306.32
4.4.30.1470.0136.32
4.4.20.1770.0136.32
4.4.10.1470.0206.32
4.4.00.1300.0276.32
4.3.110.1400.0206.32
4.3.100.1600.0176.32
4.3.90.1400.0136.32
4.3.80.1170.0236.32
4.3.70.1170.0176.32
4.3.60.1570.0176.32
4.3.50.1700.0136.32
4.3.40.1530.0236.32
4.3.30.0730.0176.32
4.3.20.0730.0236.32
4.3.10.0730.0176.32
4.3.00.0970.0236.32

preferences:
52.8 ms | 401 KiB | 5 Q