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)
8.4.130.0100.01018.04
8.4.120.0140.00522.33
8.4.110.0130.00722.06
8.4.100.0140.00718.01
8.4.90.0130.00718.65
8.4.80.0080.00217.93
8.4.70.0040.00418.38
8.4.60.0130.00818.57
8.4.50.0090.01117.61
8.4.40.0160.00318.72
8.4.30.0100.01020.12
8.4.20.0100.01019.91
8.4.10.0070.00321.98
8.3.260.0110.00816.76
8.3.250.0120.00718.58
8.3.240.0090.00716.59
8.3.230.0100.00816.60
8.3.220.0130.00617.11
8.3.210.0080.00618.46
8.3.200.0040.00416.88
8.3.190.0080.00916.75
8.3.180.0100.00916.76
8.3.170.0110.00716.84
8.3.160.0100.01016.80
8.3.150.0120.00619.07
8.3.140.0040.00416.69
8.3.130.0040.00418.54
8.3.120.0030.00620.65
8.3.110.0040.00420.94
8.3.100.0060.00316.90
8.3.90.0070.01026.77
8.3.80.0060.00316.50
8.3.70.0090.00916.75
8.3.60.0150.00016.75
8.3.50.0140.00720.28
8.3.40.0130.01022.00
8.3.30.0120.00318.81
8.3.20.0040.00424.18
8.3.10.0000.00924.66
8.3.00.0020.00526.16
8.2.290.0070.00620.39
8.2.280.0120.00816.64
8.2.270.0090.00916.91
8.2.260.0090.00920.76
8.2.250.0100.01016.92
8.2.240.0030.00617.25
8.2.230.0030.01322.58
8.2.220.0060.00324.06
8.2.210.0000.00826.77
8.2.200.0100.00016.63
8.2.190.0070.00716.75
8.2.180.0110.00725.92
8.2.170.0100.00719.05
8.2.160.0110.00422.96
8.2.150.0070.00025.66
8.2.140.0000.00724.66
8.2.130.0070.00026.16
8.2.120.0070.00026.16
8.2.110.0000.01021.18
8.2.100.0090.00319.88
8.2.90.0030.00617.88
8.2.80.0050.00318.97
8.2.70.0060.00317.50
8.2.60.0040.00417.63
8.2.50.0040.00418.04
8.2.40.0090.00018.16
8.2.30.0090.00018.01
8.2.20.0030.00320.40
8.2.10.0000.00717.90
8.2.00.0070.00019.07
8.1.330.0110.00923.91
8.1.320.0100.01016.34
8.1.310.0070.01016.88
8.1.300.0090.00017.71
8.1.290.0030.00630.84
8.1.280.0120.00325.92
8.1.270.0060.00323.99
8.1.260.0080.00026.35
8.1.250.0070.00728.09
8.1.240.0070.00321.36
8.1.230.0040.00817.77
8.1.220.0040.00417.74
8.1.210.0040.00418.77
8.1.200.0060.00317.35
8.1.190.0040.00417.35
8.1.180.0040.00418.10
8.1.170.0000.00817.62
8.1.160.0050.00218.88
8.1.150.0040.00418.69
8.1.140.0040.00417.53
8.1.130.0000.00718.86
8.1.120.0030.00617.57
8.1.110.0040.00417.57
8.1.100.0020.00517.45
8.1.90.0040.00417.60
8.1.80.0000.00917.51
8.1.70.0140.00017.40
8.1.60.0130.00317.64
8.1.50.0140.00317.43
8.1.40.0100.00717.41
8.1.30.0100.00717.61
8.1.20.0090.00817.61
8.1.10.0140.00417.53
8.1.00.0110.00617.53
8.0.300.0040.00418.77
8.0.290.0050.00516.75
8.0.280.0040.00418.27
8.0.270.0050.00316.96
8.0.260.0030.00318.36
8.0.250.0030.00316.99
8.0.240.0030.00316.96
8.0.230.0020.00517.11
8.0.220.0040.00417.04
8.0.210.0100.00316.99
8.0.200.0110.00416.89
8.0.190.0160.00017.02
8.0.180.0130.00216.85
8.0.170.0100.00616.96
8.0.160.0080.00816.91
8.0.150.0090.00616.85
8.0.140.0110.00516.90
8.0.130.0160.00016.91
8.0.120.0150.00016.98
8.0.110.0150.00016.80
8.0.100.0150.00016.94
8.0.90.0070.00816.94
8.0.80.0130.00016.89
8.0.70.0080.00816.86
8.0.60.0150.00016.92
8.0.50.0110.00316.89
8.0.30.0070.00716.96
8.0.20.0120.00316.95
8.0.10.0140.00016.95
7.4.330.0060.00015.55
7.4.320.0000.00616.63
7.4.300.0110.00416.64
7.4.290.0110.00416.57
7.4.280.0130.00216.63
7.4.270.0040.01316.65
7.4.260.0150.00016.57
7.4.250.0140.00216.63
7.4.240.0000.00816.61
7.4.230.0110.00216.62
7.4.220.0060.00616.65
7.4.210.0150.00016.58
7.4.200.0130.00016.59
7.4.190.0070.00716.61
7.4.180.0110.00416.71
7.4.160.0130.00016.64
7.4.150.0100.00316.73
7.4.140.0040.00916.45
7.4.130.0050.00916.52
7.4.120.0100.00316.43
7.4.110.0090.00516.64
7.4.100.0140.00016.56
7.4.90.0070.00716.56
7.4.80.0100.00316.52
7.4.70.0100.00416.48
7.4.60.0130.00016.54
7.4.50.0000.01316.45
7.4.40.0070.00716.42
7.4.30.0110.00316.45
7.4.20.0050.00916.37
7.4.10.0070.00716.48
7.4.00.0080.00516.36

preferences:
34.58 ms | 403 KiB | 5 Q