3v4l.org

run code in 300+ PHP versions simultaneously
<?php $count=0; var_dump(str_replace(' ', '', 'a b c', $count)); var_dump($count);

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)
8.3.60.0210.00316.25
8.3.50.0150.00217.24
8.3.40.0070.00718.42
8.3.30.0120.00318.46
8.3.20.0040.00418.61
8.3.10.0040.00418.57
8.3.00.0030.00619.22
8.2.180.0060.00916.38
8.2.170.0140.00022.96
8.2.160.0160.00018.74
8.2.150.0040.00424.18
8.2.140.0040.00424.66
8.2.130.0000.00726.16
8.2.120.0080.00021.18
8.2.110.0100.00620.52
8.2.100.0070.00417.59
8.2.90.0060.00317.72
8.2.80.0040.00417.97
8.2.70.0080.00017.38
8.2.60.0040.00417.78
8.2.50.0080.00018.07
8.2.40.0050.00319.20
8.2.30.0060.00317.67
8.2.20.0040.00717.59
8.2.10.0000.00717.52
8.2.00.0040.00417.48
8.1.280.0120.00325.92
8.1.270.0040.00423.99
8.1.260.0080.00026.35
8.1.250.0050.00328.09
8.1.240.0050.00523.82
8.1.230.0040.00820.91
8.1.220.0040.00417.74
8.1.210.0030.00518.77
8.1.200.0000.00817.25
8.1.190.0000.00917.11
8.1.180.0080.00018.10
8.1.170.0040.00418.75
8.1.160.0040.00418.93
8.1.150.0000.00718.48
8.1.140.0000.00717.38
8.1.130.0000.00719.11
8.1.120.0000.00717.38
8.1.110.0070.00017.21
8.1.100.0040.00417.37
8.1.90.0030.00417.36
8.1.80.0040.00417.43
8.1.70.0000.00717.28
8.1.60.0080.00017.39
8.1.50.0040.00417.36
8.1.40.0100.00017.41
8.1.30.0080.00017.46
8.1.20.0070.00017.56
8.1.10.0040.00417.55
8.1.00.0050.00517.48
8.0.300.0070.00019.64
8.0.290.0000.00816.63
8.0.280.0040.00418.50
8.0.270.0040.00417.14
8.0.260.0000.00716.73
8.0.250.0070.00016.83
8.0.240.0050.00516.76
8.0.230.0030.00616.76
8.0.220.0070.00016.84
8.0.210.0070.00016.68
8.0.200.0000.00716.78
8.0.190.0040.00416.76
8.0.180.0030.00516.73
8.0.170.0050.00316.71
8.0.160.0000.00716.76
8.0.150.0040.00416.74
8.0.140.0040.00416.80
8.0.130.0040.00413.25
8.0.120.0040.00416.75
8.0.110.0000.00816.82
8.0.100.0030.00616.68
8.0.90.0000.00716.71
8.0.80.0110.00616.79
8.0.70.0080.00016.80
8.0.60.0000.00816.70
8.0.50.0060.00316.61
8.0.30.0100.01017.04
8.0.20.0130.00517.10
8.0.10.0050.00316.75
8.0.00.0080.01216.69
7.4.330.0040.00012.89
7.4.320.0060.00016.39
7.4.300.0030.00316.33
7.4.290.0040.00416.43
7.4.280.0000.00716.41
7.4.270.0030.00316.50
7.4.260.0070.00013.18
7.4.250.0000.00816.48
7.4.240.0030.00316.46
7.4.230.0070.00016.33
7.4.220.0050.01516.57
7.4.210.0070.01316.43
7.4.200.0030.00316.26
7.4.190.0030.00516.51
7.4.160.0090.00616.32
7.4.150.0110.00616.47
7.4.140.0090.00917.86
7.4.130.0040.01416.33
7.4.120.0070.01316.33
7.4.110.0030.01616.51
7.4.100.0130.00316.30
7.4.90.0060.01216.36
7.4.80.0150.00719.39
7.4.70.0100.00616.52
7.4.60.0130.00316.39
7.4.50.0030.00316.44
7.4.40.0080.00516.50
7.4.30.0070.01016.48
7.4.00.0080.00814.98
7.3.330.0030.00312.93
7.3.320.0030.00312.90
7.3.310.0000.00715.93
7.3.300.0060.00316.11
7.3.290.0070.00916.13
7.3.280.0000.01616.12
7.3.270.0070.01016.37
7.3.260.0070.01116.09
7.3.240.0060.01216.18
7.3.230.0070.01016.29
7.3.210.0090.00916.22
7.3.200.0100.00616.02
7.3.190.0130.00316.23
7.3.180.0040.01116.15
7.3.170.0170.00016.11
7.3.160.0140.00316.23
7.3.120.0110.00414.57
7.2.330.0140.01016.61
7.2.320.0070.01116.39
7.2.310.0090.00916.58
7.2.300.0130.00316.47
7.2.290.0120.00316.43
7.2.00.0100.00618.90
7.1.200.0110.00315.58
7.1.100.0030.01318.09
7.1.70.0000.01517.21
7.1.60.0100.01419.30
7.1.50.0100.01316.89
7.1.00.0000.07022.44
7.0.200.0000.00816.34
7.0.140.0130.06322.04
7.0.120.0030.03022.13
7.0.60.0070.08319.91
7.0.50.0100.07017.82
7.0.40.0100.08720.40
7.0.30.0300.07720.30
7.0.20.0500.06320.34
7.0.10.0130.04720.18
7.0.00.0100.04720.16
5.6.280.0000.07321.06
5.6.210.0030.08720.50
5.6.200.0230.03718.23
5.6.190.0270.07320.61
5.6.180.0270.04020.40
5.6.170.0170.03720.52
5.6.160.0130.08020.48
5.6.150.0000.08018.09
5.6.140.0000.08318.21
5.6.130.0030.04018.09
5.6.120.0070.04320.98
5.6.110.0070.06021.01
5.6.100.0070.03721.13
5.6.90.0070.04020.99
5.6.80.0130.04720.38
5.6.70.4000.04720.35
5.5.350.0230.07320.32
5.5.340.0170.03017.96
5.5.330.0000.06020.19
5.5.320.0270.05720.28
5.5.310.0400.06020.30
5.5.300.0070.08317.98
5.5.290.0070.08017.97
5.5.280.0000.05020.88
5.5.270.0030.05320.86
5.5.260.0070.03720.88
5.5.250.0030.08320.61
5.5.240.0070.04020.12
5.4.450.0670.04319.10
5.4.440.0600.04719.47
5.4.430.0330.03319.09
5.4.420.0570.04719.20
5.4.410.0870.03319.45
5.4.400.0230.03318.73
5.4.390.0370.04319.22
5.4.380.0730.04019.13
5.4.370.0400.04019.04
5.4.360.1100.04018.77
5.4.350.0830.04018.93
5.4.340.0330.04719.22
5.4.320.0500.04319.13
5.4.310.0730.04019.07
5.4.300.0770.03319.13
5.4.290.0700.04318.93
5.4.280.0930.03719.10
5.4.270.0270.03019.05
5.4.260.0630.05019.10
5.4.250.0400.04319.03
5.4.240.0500.04019.15
5.4.230.0530.03718.76
5.4.220.0500.04319.15
5.4.210.0700.03318.79
5.4.200.0470.04319.23
5.4.190.0800.04319.04
5.4.180.0500.04019.09
5.4.170.0870.03719.02
5.4.160.0200.04019.09
5.4.150.0570.04319.02
5.4.140.0770.02716.34
5.4.130.0500.03016.18
5.4.120.0470.03716.26
5.4.110.0830.03016.28
5.4.100.0530.04316.43
5.4.90.0700.04016.43
5.4.80.0300.03016.39
5.4.70.0470.03716.37
5.4.60.0900.02716.36
5.4.50.1170.02716.43
5.4.40.0530.05016.43
5.4.30.0670.04716.43
5.4.20.0530.04016.29
5.4.10.0730.04716.03
5.4.00.0530.03315.77
5.3.290.0630.04315.82
5.3.280.0600.02715.82
5.3.270.0570.04015.82
5.3.260.0500.07015.82
5.3.250.0400.05015.82
5.3.240.0770.03015.82
5.3.230.0200.04015.82
5.3.220.0630.04315.82
5.3.210.0870.03015.82
5.3.200.0770.04315.82
5.3.190.0570.04015.82
5.3.180.0900.03715.82
5.3.170.0770.04015.82
5.3.160.1070.03015.82
5.3.150.0530.04315.82
5.3.140.0470.04015.77
5.3.130.0200.04315.77
5.3.120.0430.04315.77
5.3.110.0730.04715.77
5.3.100.0670.03315.77
5.3.90.0470.03015.77
5.3.80.0700.03015.77
5.3.70.0570.05715.77
5.3.60.0370.03715.77
5.3.50.0830.05715.77
5.3.40.0530.03315.77
5.3.30.0270.05715.77
5.3.20.0870.05015.77
5.3.10.0700.03315.77
5.3.00.0500.04015.77
5.2.170.0800.04015.77
5.2.160.0500.03015.77
5.2.150.0200.03715.77
5.2.140.0670.02015.77
5.2.130.0600.03315.77
5.2.120.0130.03315.77
5.2.110.0800.02315.77
5.2.100.0600.03015.77
5.2.90.0470.02715.77
5.2.80.0200.03315.77
5.2.70.0470.03715.77
5.2.60.0470.03315.77
5.2.50.0170.03315.77
5.2.40.0670.03315.77
5.2.30.0130.03715.77
5.2.20.0570.02015.77
5.2.10.0300.02315.77
5.2.00.0270.02015.77
5.1.60.0600.02315.77
5.1.50.0330.02015.77
5.1.40.0370.02716.31
5.1.30.0400.02316.31
5.1.20.0300.02316.31
5.1.10.0400.02716.31
5.1.00.0230.03016.31
5.0.50.0370.02716.31
5.0.40.0070.02316.31
5.0.30.0330.03016.31
5.0.20.0330.01016.31
5.0.10.0030.02716.31
5.0.00.0000.03716.31
4.4.90.0200.01315.77
4.4.80.0100.03015.77
4.4.70.0270.01015.77
4.4.60.0100.02015.77
4.4.50.0070.01715.77
4.4.40.0100.02315.77
4.4.30.0100.02016.31
4.4.20.0130.01716.31
4.4.10.0130.01716.31
4.4.00.0070.05716.31
4.3.110.0130.01716.31
4.3.100.0270.01016.31
4.3.90.0370.02016.31
4.3.80.0070.02016.31
4.3.70.0100.01316.31
4.3.60.0300.01016.31
4.3.50.0130.02316.31
4.3.40.0200.02716.31
4.3.30.0100.01716.31
4.3.20.0000.02716.31
4.3.10.0200.01716.31
4.3.00.0130.01316.31

preferences:
47.25 ms | 401 KiB | 5 Q