3v4l.org

run code in 300+ PHP versions simultaneously
<?php $str = '11131221133112'; var_export( preg_replace( '/(\d)\1*\K(?!$)/', ' ', $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)
8.5.00.0090.01024.73
8.4.150.0020.00114.05
8.4.140.0130.00817.58
8.4.130.0100.01017.73
8.4.120.0150.00524.13
8.4.110.0130.00720.12
8.4.100.0110.01017.72
8.4.90.0150.00620.41
8.4.80.0070.01220.55
8.4.70.0050.00418.95
8.4.60.0160.00620.57
8.4.50.0120.00720.39
8.4.40.0080.01118.19
8.4.30.0100.01020.41
8.4.20.0060.01019.78
8.4.10.0030.00622.04
8.3.280.0110.00818.50
8.3.270.0110.00916.85
8.3.260.0140.00616.60
8.3.250.0130.00518.88
8.3.240.0110.00817.08
8.3.230.0110.00816.60
8.3.220.0100.00520.78
8.3.210.0100.00716.77
8.3.200.0060.00316.55
8.3.190.0110.00818.95
8.3.180.0050.00518.69
8.3.170.0120.00617.30
8.3.160.0110.00416.76
8.3.150.0030.00716.97
8.3.140.0070.00016.75
8.3.130.0030.01216.53
8.3.120.0140.00418.86
8.3.110.0060.00320.94
8.3.100.0060.00316.68
8.3.90.0100.00026.77
8.3.80.0030.00618.27
8.3.70.0120.00616.63
8.3.60.0150.00416.75
8.3.50.0090.00620.35
8.3.40.0110.00320.29
8.3.30.0120.00318.89
8.3.20.0080.00024.18
8.3.10.0040.00424.66
8.3.00.0040.00426.16
8.2.290.0050.00517.02
8.2.280.0130.00818.79
8.2.270.0110.00716.84
8.2.260.0050.00317.27
8.2.250.0030.00616.83
8.2.240.0000.00919.06
8.2.230.0030.00622.58
8.2.220.0000.00824.06
8.2.210.0000.00726.77
8.2.200.0030.00716.63
8.2.190.0090.00916.63
8.2.180.0090.00625.92
8.2.170.0110.00418.96
8.2.160.0100.00522.96
8.2.150.0040.00425.66
8.2.140.0070.00024.66
8.2.130.0040.00426.16
8.2.120.0000.00821.19
8.2.110.0090.00022.24
8.2.100.0080.00417.97
8.2.90.0050.00319.11
8.2.80.0060.00318.91
8.2.70.0040.00417.50
8.2.60.0060.00317.90
8.2.50.0060.00318.07
8.2.40.0040.00420.02
8.2.30.0040.00417.95
8.2.20.0040.00422.24
8.2.10.0030.00618.08
8.2.00.0040.00419.13
8.1.330.0100.00922.11
8.1.320.0110.00416.62
8.1.310.0040.00716.90
8.1.300.0040.00418.33
8.1.290.0060.00330.84
8.1.280.0060.01025.92
8.1.270.0000.00823.99
8.1.260.0040.00426.35
8.1.250.0040.00428.09
8.1.240.0070.00320.36
8.1.230.0070.00417.64
8.1.220.0040.00417.74
8.1.210.0030.00518.77
8.1.200.0060.00317.36
8.1.190.0080.00017.23
8.1.180.0040.00418.10
8.1.170.0000.00818.65
8.1.160.0040.00418.89
8.1.150.0040.00418.79
8.1.140.0000.00817.53
8.1.130.0030.00517.52
8.1.120.0080.00017.54
8.1.110.0030.00517.55
8.1.100.0040.00417.53
8.1.90.0100.00617.50
8.1.80.0090.00617.41
8.1.70.0120.00517.44
8.1.60.0110.00717.58
8.1.50.0180.00017.56
8.1.40.0110.00717.52
8.1.30.0150.00317.57
8.1.20.0140.00517.79
8.1.10.0090.00917.57
8.1.00.0170.00317.41
8.0.300.0080.00018.77
8.0.290.0040.00416.88
8.0.280.0070.00018.45
8.0.270.0070.00016.87
8.0.260.0030.00617.04
8.0.250.0030.00317.07
8.0.240.0000.00717.07
8.0.230.0070.00016.98
8.0.220.0050.00316.93
8.0.210.0050.01016.98
8.0.200.0120.00317.07
8.0.190.0160.00017.07
8.0.180.0080.00817.02
8.0.170.0130.00416.95
8.0.160.0100.00416.96
8.0.150.0120.00317.02
8.0.140.0110.00416.88
8.0.130.0080.00816.98
8.0.120.0170.00016.96
8.0.110.0120.00617.09
8.0.100.0130.00516.99
8.0.90.0090.00916.98
8.0.80.0150.00316.89
8.0.70.0120.00416.82
8.0.60.0160.00316.97
8.0.50.0160.00316.86
8.0.30.0090.00916.91
8.0.20.0170.00316.93
8.0.10.0140.00516.99
7.4.330.0000.00515.55
7.4.320.0030.00316.63
7.4.300.0170.00316.64
7.4.290.0130.00316.73
7.4.280.0100.00516.60
7.4.270.0150.00216.72
7.4.260.0110.00716.73
7.4.250.0110.00816.56
7.4.240.0120.00516.77
7.4.230.0130.00516.53
7.4.220.0110.00516.70
7.4.210.0070.00816.61
7.4.200.0050.00916.79
7.4.190.0110.00516.71
7.4.180.0080.01016.81
7.4.160.0130.00316.68
7.4.150.0150.00416.76
7.4.140.0110.00716.67
7.4.130.0070.01216.57
7.4.120.0080.00816.64
7.4.110.0100.00516.54
7.4.100.0060.00716.36
7.4.90.0110.00316.57
7.4.80.0120.00316.46
7.4.70.0120.00216.38
7.4.60.0070.00716.61
7.4.50.0020.01116.09
7.4.40.0090.00416.27
7.4.30.0080.00416.57
7.4.20.0090.00516.51
7.4.10.0110.00016.28
7.4.00.0100.00216.39

preferences:
182.6 ms | 403 KiB | 5 Q