3v4l.org

run code in 300+ PHP versions simultaneously
<?php $string = 'abc'; var_dump(preg_replace_callback( '/(.)/', function ($m) { static $counter = 1; return 'foo' . $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)
8.3.60.0180.00416.88
8.3.50.0120.00317.99
8.3.40.0070.00718.92
8.3.30.0080.00818.81
8.3.20.0040.00421.76
8.3.10.0050.00323.49
8.3.00.0080.00023.61
8.2.180.0170.00318.66
8.2.170.0090.00619.26
8.2.160.0100.00722.96
8.2.150.0000.00824.18
8.2.140.0030.00524.66
8.2.130.0000.00821.23
8.2.120.0040.00426.35
8.2.110.0060.00321.15
8.2.100.0090.00318.03
8.2.90.0030.00518.09
8.2.80.0000.00818.09
8.2.70.0040.00417.79
8.2.60.0000.00918.05
8.2.50.0030.00618.10
8.2.40.0000.00919.05
8.2.30.0030.00519.32
8.2.20.0040.00418.06
8.2.10.0040.00418.14
8.2.00.0030.00618.14
8.1.280.0100.01025.92
8.1.270.0080.00022.26
8.1.260.0040.00426.35
8.1.250.0040.00828.09
8.1.240.0060.00323.83
8.1.230.0050.00521.04
8.1.220.0060.00317.91
8.1.210.0030.00618.78
8.1.200.0040.00417.60
8.1.190.0000.00917.47
8.1.180.0000.00818.10
8.1.170.0040.00418.63
8.1.160.0080.00018.79
8.1.150.0050.00320.79
8.1.140.0050.00317.64
8.1.130.0040.00419.04
8.1.120.0040.00417.55
8.1.110.0000.00717.57
8.1.100.0040.00417.64
8.1.90.0040.00417.55
8.1.80.0000.00817.51
8.1.70.0030.00617.54
8.1.60.0040.00417.67
8.1.50.0070.00417.57
8.1.40.0080.00017.75
8.1.30.0050.00317.72
8.1.20.0040.00417.64
8.1.10.0000.00717.55
8.1.00.0000.00817.61
8.0.300.0070.00020.03
8.0.290.0070.00016.75
8.0.280.0000.00718.33
8.0.270.0030.00317.23
8.0.260.0060.00017.20
8.0.250.0000.00717.09
8.0.240.0000.00817.06
8.0.230.0000.00717.13
8.0.220.0030.00317.00
8.0.210.0030.00317.02
8.0.200.0030.00317.13
8.0.190.0000.00816.98
8.0.180.0000.00716.94
8.0.170.0080.00316.98
8.0.160.0040.00417.10
8.0.150.0070.00016.89
8.0.140.0000.00716.95
8.0.130.0040.00413.49
8.0.120.0050.00316.96
8.0.110.0040.00416.86
8.0.100.0030.00616.81
8.0.90.0000.00817.10
8.0.80.0000.01516.96
8.0.70.0040.00417.02
8.0.60.0070.00017.04
8.0.50.0000.00716.88
8.0.30.0090.00917.11
8.0.20.0080.01117.40
8.0.10.0040.00417.02
8.0.00.0120.00716.88
7.4.330.0000.00415.55
7.4.320.0030.00316.81
7.4.300.0030.00316.85
7.4.290.0000.00716.69
7.4.280.0040.00416.70
7.4.270.0000.00716.62
7.4.260.0000.00816.78
7.4.250.0070.00016.82
7.4.240.0070.00016.73
7.4.230.0000.00716.91
7.4.220.0000.00716.53
7.4.210.0070.00716.67
7.4.200.0080.00016.91
7.4.160.0100.00716.77
7.4.140.0110.00817.86
7.4.130.0150.00316.77
7.4.120.0120.00516.72
7.4.110.0120.00616.66
7.4.100.0100.01016.69
7.4.90.0110.00616.74
7.4.80.0120.01519.39
7.4.70.0070.01016.71
7.4.60.0120.00616.73
7.4.50.0040.01416.63
7.4.40.0100.00616.71
7.4.00.0060.01015.19
7.3.330.0060.00013.33
7.3.320.0030.00313.24
7.3.310.0050.00516.24
7.3.300.0000.00716.39
7.3.290.0070.00016.26
7.3.280.0050.01316.34
7.3.260.0140.00716.68
7.3.240.0080.01216.63
7.3.230.0150.00616.77
7.3.210.0090.00916.41
7.3.200.0120.00616.81
7.3.190.0080.01116.81
7.3.180.0030.01316.68
7.3.170.0110.00616.57
7.3.160.0070.01016.34
7.3.120.0050.01114.70
7.3.110.0070.01014.74
7.3.100.0030.00914.74
7.3.90.0030.01114.78
7.3.80.0070.00915.18
7.3.70.0040.00814.88
7.3.60.0080.00214.92
7.3.50.0090.00314.96
7.3.40.0050.00814.94
7.3.30.0060.00714.81
7.3.20.0070.00616.65
7.3.10.0070.00516.76
7.3.00.0100.00416.80
7.2.330.0160.00316.68
7.2.320.0090.00916.84
7.2.310.0100.00716.79
7.2.300.0090.00916.77
7.2.290.0040.01216.79
7.2.250.0080.01015.21
7.2.240.0070.01215.20
7.2.230.0030.01415.13
7.2.220.0030.01214.98
7.2.210.0030.00915.14
7.2.200.0030.00915.02
7.2.190.0060.00615.17
7.2.180.0020.01515.11
7.2.170.0020.01114.92
7.2.130.0040.01116.84
7.2.120.0100.00716.91
7.2.110.0120.00316.91
7.2.100.0070.00716.61
7.2.90.0040.01116.93
7.2.80.0030.01016.95
7.2.70.0070.00716.92
7.2.60.0030.01117.06
7.2.50.0050.00616.82
7.2.40.0540.01017.54
7.2.30.0790.00917.52
7.2.20.0620.00817.39
7.2.10.0620.01117.34
7.2.00.0630.01217.70
7.1.330.0060.00816.04
7.1.320.0020.01515.78
7.1.310.0030.00816.19
7.1.300.0050.00615.71
7.1.290.0070.00715.89
7.1.280.0030.00815.81
7.1.270.0060.00816.00
7.1.260.0100.00315.94
7.1.250.0000.01115.80
7.1.200.0060.00615.97
7.1.160.0920.01117.05
7.1.150.0700.01117.29
7.1.140.1320.01117.14
7.1.130.1190.01216.96
7.1.120.1580.01217.11
7.1.110.1400.00816.64
7.1.100.1290.01116.40
7.1.90.1460.01216.49
7.1.80.1220.00916.42
7.1.70.1470.00615.42
7.1.60.1860.01333.30
7.1.50.1760.01232.89
7.1.40.1480.01533.06
7.1.30.1440.01032.95
7.1.20.1630.01232.85
7.1.10.1300.01314.82
7.1.00.1310.01015.32

preferences:
56.06 ms | 401 KiB | 5 Q