3v4l.org

run code in 300+ PHP versions simultaneously
<?php $string = 'abc'; var_dump($string, preg_replace_callback( '/(.)/', function ($m) { static $counter = 1; return $m[1] . $counter++; }, $string ));

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)
8.3.60.0150.00616.75
8.3.50.0120.00318.33
8.3.40.0000.01418.82
8.3.30.0070.01319.06
8.3.20.0060.00321.94
8.3.10.0040.00423.70
8.3.00.0080.00023.53
8.2.180.0090.00625.92
8.2.170.0000.01419.21
8.2.160.0100.00322.96
8.2.150.0070.00025.66
8.2.140.0040.00424.66
8.2.130.0030.00526.16
8.2.120.0040.00420.86
8.2.110.0000.00919.06
8.2.100.0070.00417.97
8.2.90.0000.00819.45
8.2.80.0040.00419.28
8.2.70.0080.00019.29
8.2.60.0000.00817.88
8.2.50.0060.00318.00
8.2.40.0000.00819.73
8.2.30.0000.00719.44
8.2.20.0030.00518.19
8.2.10.0000.00818.03
8.2.00.0050.00318.07
8.1.280.0130.00325.92
8.1.270.0040.00422.14
8.1.260.0040.00426.35
8.1.250.0040.00428.09
8.1.240.0070.01022.06
8.1.230.0080.00320.97
8.1.220.0030.00617.74
8.1.210.0080.00018.96
8.1.200.0080.00017.61
8.1.190.0040.00417.25
8.1.180.0090.00418.10
8.1.170.0080.00017.62
8.1.160.0040.00418.91
8.1.150.0000.00720.82
8.1.140.0070.00017.60
8.1.130.0030.00318.92
8.1.120.0040.00417.51
8.1.110.0040.00417.53
8.1.100.0040.00417.57
8.1.90.0070.00017.59
8.1.80.0030.00617.55
8.1.70.0040.00417.55
8.1.60.0030.00517.70
8.1.50.0080.00317.63
8.1.40.0000.00817.61
8.1.30.0040.00417.77
8.1.20.0070.00017.85
8.1.10.0070.00017.79
8.1.00.0000.00717.63
8.0.300.0070.00020.09
8.0.290.0080.00016.88
8.0.280.0030.00318.51
8.0.270.0000.00919.99
8.0.260.0000.00717.26
8.0.250.0000.00717.12
8.0.240.0050.00217.13
8.0.230.0000.00717.02
8.0.220.0000.00716.95
8.0.210.0030.00316.93
8.0.200.0000.00717.00
8.0.190.0030.00517.11
8.0.180.0080.00017.11
8.0.170.0030.00616.94
8.0.160.0000.00717.04
8.0.150.0030.00517.00
8.0.140.0000.00816.96
8.0.130.0040.00413.46
8.0.120.0070.00016.89
8.0.110.0000.00816.98
8.0.100.0000.00716.99
8.0.90.0040.00417.05
8.0.80.0100.01017.01
8.0.70.0000.00717.09
8.0.60.0020.00517.02
8.0.50.0040.00417.04
8.0.30.0150.00517.24
8.0.20.0120.00617.40
8.0.10.0000.00717.15
8.0.00.0130.00517.13
7.4.330.0000.00515.55
7.4.320.0070.00016.61
7.4.300.0000.00616.80
7.4.290.0030.00316.70
7.4.280.0070.00016.71
7.4.270.0060.00016.66
7.4.260.0070.00016.78
7.4.250.0030.00316.69
7.4.240.0000.00816.83
7.4.230.0040.00316.55
7.4.220.0000.00816.62
7.4.210.0070.00716.76
7.4.200.0000.00816.84
7.4.160.0110.00616.72
7.4.140.0090.00917.86
7.4.130.0070.01416.66
7.4.120.0070.01216.78
7.4.110.0100.00716.46
7.4.100.0000.01716.56
7.4.90.0150.00416.66
7.4.80.0060.01219.39
7.4.70.0100.00616.77
7.4.60.0150.00916.85
7.4.50.0130.00316.77
7.4.40.0030.01316.71
7.4.00.0090.00815.23
7.3.330.0050.00013.30
7.3.320.0030.00313.43
7.3.310.0040.00416.26
7.3.300.0040.00416.52
7.3.290.0000.00716.41
7.3.280.0090.00716.35
7.3.260.0090.01316.65
7.3.240.0100.00716.56
7.3.230.0110.00716.58
7.3.210.0070.01416.47
7.3.200.0130.00316.52
7.3.190.0120.00316.86
7.3.180.0140.00516.38
7.3.170.0160.00016.70
7.3.160.0100.01316.71
7.3.120.0160.00014.92
7.3.110.0030.01414.86
7.3.100.0070.01014.73
7.3.90.0080.00414.96
7.3.80.0070.00814.73
7.3.70.0030.01414.98
7.3.60.0040.00714.91
7.3.50.0150.00314.92
7.3.40.0100.00314.76
7.3.30.0040.01115.07
7.3.20.0070.00416.78
7.3.10.0070.00716.94
7.3.00.0060.00916.89
7.2.330.0180.00516.65
7.2.320.0160.00316.60
7.2.310.0060.01216.75
7.2.300.0100.00716.79
7.2.290.0100.00716.78
7.2.250.0090.01015.17
7.2.240.0130.00714.93
7.2.230.0070.00715.02
7.2.220.0060.01215.21
7.2.210.0100.01015.10
7.2.200.0090.00915.01
7.2.190.0040.01115.18
7.2.180.0030.01415.04
7.2.170.0120.00015.22
7.2.40.1660.00918.26
7.2.30.1460.00918.37
7.2.20.1490.01018.05
7.2.10.1440.01018.31
7.2.00.1750.01218.11
7.1.330.0070.00715.89
7.1.320.0060.00815.82
7.1.310.0070.01016.00
7.1.300.0070.01016.16
7.1.290.0040.00715.97
7.1.280.0040.00816.13
7.1.270.0030.00915.99
7.1.260.0150.00016.00
7.1.200.0080.00416.07
7.1.160.1680.01117.22
7.1.150.1650.01217.03
7.1.140.1570.00917.28
7.1.130.1670.00817.14
7.1.120.1740.01117.05
7.1.110.1610.01116.83
7.1.100.1810.00516.36
7.1.90.2760.01216.64
7.1.80.1870.00816.35
7.1.70.1730.01015.68
7.1.60.2040.01233.71
7.1.50.1870.01433.12
7.1.40.2690.01232.88
7.1.30.2080.01233.19
7.1.20.2180.01133.00
7.1.10.2440.00714.88
7.1.00.0090.00815.02

preferences:
58.61 ms | 401 KiB | 5 Q