3v4l.org

run code in 300+ PHP versions simultaneously
<?php $str = 9010201; var_export( preg_replace( '~.\K(?=.{2}+$)~', " ", $str ) );

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)
8.4.130.0110.01017.88
8.4.120.0130.00620.68
8.4.110.0050.00518.63
8.4.100.0120.00818.16
8.4.90.0110.00920.87
8.4.80.0060.00218.97
8.4.70.0100.00918.74
8.4.60.0110.01120.44
8.4.50.0060.00320.78
8.4.40.0130.00718.97
8.4.30.0030.01620.38
8.4.20.0120.00619.70
8.4.10.0060.00622.14
8.3.260.0130.00716.64
8.3.250.0120.00719.05
8.3.240.0100.00817.10
8.3.230.0110.00816.75
8.3.220.0140.00518.87
8.3.210.0120.01018.69
8.3.200.0060.00516.53
8.3.190.0050.00518.96
8.3.180.0080.00718.78
8.3.170.0090.00919.17
8.3.160.0140.00716.84
8.3.150.0040.00416.89
8.3.140.0120.00316.90
8.3.130.0050.00316.74
8.3.120.0040.01118.69
8.3.110.0100.01016.42
8.3.100.0030.00616.69
8.3.90.0120.00326.77
8.3.80.0040.00416.88
8.3.70.0140.00416.63
8.3.60.0040.01216.49
8.3.50.0070.01320.36
8.3.40.0040.01121.98
8.3.30.0110.00418.68
8.3.20.0040.00424.18
8.3.10.0030.00624.66
8.3.00.0040.00426.16
8.2.290.0130.00717.00
8.2.280.0120.00818.38
8.2.270.0060.00617.04
8.2.260.0100.00717.34
8.2.250.0040.00418.72
8.2.240.0040.01118.52
8.2.230.0070.00320.94
8.2.220.0030.00724.06
8.2.210.0080.00026.77
8.2.200.0000.00916.63
8.2.190.0070.00716.58
8.2.180.0090.00925.92
8.2.170.0040.01119.04
8.2.160.0130.00322.96
8.2.150.0040.00425.66
8.2.140.0000.00824.66
8.2.130.0040.00426.16
8.2.120.0040.00426.16
8.2.110.0100.00022.36
8.2.100.0040.00817.80
8.2.90.0060.00319.11
8.2.80.0030.00617.97
8.2.70.0120.00017.46
8.2.60.0000.00817.93
8.2.50.0090.00018.07
8.2.40.0000.00718.09
8.2.30.0030.00617.94
8.2.20.0000.00820.27
8.2.10.0040.00418.07
8.2.00.0040.00419.20
8.1.330.0060.00216.34
8.1.320.0140.00516.20
8.1.310.0090.00617.00
8.1.300.0070.00318.13
8.1.290.0030.00630.84
8.1.280.0090.00625.92
8.1.270.0080.00024.66
8.1.260.0040.00426.35
8.1.250.0030.01028.09
8.1.240.0030.00720.90
8.1.230.0120.00017.64
8.1.220.0000.00717.74
8.1.210.0030.00518.77
8.1.200.0030.00617.36
8.1.190.0000.00817.35
8.1.180.0000.00818.10
8.1.170.0040.00418.69
8.1.160.0040.00418.84
8.1.150.0000.00818.72
8.1.140.0040.00417.52
8.1.130.0000.00718.85
8.1.120.0040.00417.59
8.1.110.0030.00617.59
8.1.100.0040.00417.61
8.1.90.0060.00317.52
8.1.80.0050.00517.53
8.1.70.0050.00917.39
8.1.60.0150.00517.59
8.1.50.0130.00717.38
8.1.40.0100.00717.54
8.1.30.0120.00617.59
8.1.20.0150.00317.56
8.1.10.0170.00017.57
8.1.00.0130.00417.36
8.0.300.0000.00818.77
8.0.290.0040.00416.88
8.0.280.0030.00318.43
8.0.270.0030.00317.22
8.0.260.0030.00318.41
8.0.250.0000.00717.13
8.0.240.0070.00016.96
8.0.230.0030.00317.00
8.0.220.0000.00717.01
8.0.210.0050.01016.88
8.0.200.0150.00016.97
8.0.190.0100.00516.90
8.0.180.0120.00216.86
8.0.170.0100.00516.88
8.0.160.0100.00516.93
8.0.150.0070.00716.91
8.0.140.0110.00316.90
8.0.130.0100.00516.78
8.0.120.0110.00216.98
8.0.110.0090.00416.95
8.0.100.0080.00816.94
8.0.90.0120.00316.95
8.0.80.0100.00516.96
8.0.70.0120.00316.90
8.0.60.0110.00316.89
8.0.50.0070.00816.89
8.0.30.0040.00916.98
8.0.20.0130.00316.90
8.0.10.0150.00016.96
7.4.330.0000.00515.55
7.4.320.0060.00016.77
7.4.300.0000.01416.64
7.4.290.0140.00016.58
7.4.280.0090.00616.68
7.4.270.0100.00616.65
7.4.260.0150.00016.54
7.4.250.0110.00616.73
7.4.240.0050.00516.57
7.4.230.0040.00816.67
7.4.220.0030.00916.66
7.4.210.0140.00016.67
7.4.200.0140.00016.43
7.4.190.0080.00816.65
7.4.180.0060.00816.62
7.4.160.0040.00916.63
7.4.150.0130.00016.56
7.4.140.0140.00016.59
7.4.130.0100.00516.45
7.4.120.0070.00716.45
7.4.110.0100.00316.54
7.4.100.0100.00316.50
7.4.90.0110.00216.38
7.4.80.0110.00316.54
7.4.70.0080.00616.44
7.4.60.0100.00516.66
7.4.50.0150.00016.54
7.4.40.0040.01116.55
7.4.30.0070.00716.56
7.4.20.0070.00716.43
7.4.10.0090.00516.39
7.4.00.0130.00016.40

preferences:
88.02 ms | 403 KiB | 5 Q