3v4l.org

run code in 300+ PHP versions simultaneously
<?php $str = "abcdefgh"; $ass_arr = array(); $ass_arr["foo"] = "bar"; $str = preg_replace_callback("/[aeiou]/", function($matches){ global $ass_arr; $ass_arr["bar"] = "baz"; return "x"; }, $str); var_dump($str); var_dump($ass_arr);

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)
8.3.60.0180.00016.38
8.3.50.0080.00818.20
8.3.40.0110.00719.00
8.3.30.0110.00718.74
8.3.20.0080.00019.33
8.3.10.0050.00321.66
8.3.00.0040.00419.56
8.2.180.0110.01117.00
8.2.170.0110.00422.96
8.2.160.0100.00320.39
8.2.150.0000.00824.18
8.2.140.0030.00624.66
8.2.130.0080.00019.89
8.2.120.0070.00026.35
8.2.110.0060.00319.38
8.2.100.0120.00018.16
8.2.90.0080.00019.21
8.2.80.0040.00417.97
8.2.70.0040.00417.61
8.2.60.0050.00319.66
8.2.50.0080.00018.10
8.2.40.0040.00422.31
8.2.30.0000.00719.26
8.2.20.0000.00817.84
8.2.10.0040.00418.03
8.2.00.0040.00418.15
8.1.280.0140.00025.92
8.1.270.0080.00023.84
8.1.260.0000.00728.09
8.1.250.0070.00028.09
8.1.240.0060.00619.66
8.1.230.0110.00017.64
8.1.220.0040.00417.79
8.1.210.0050.00318.77
8.1.200.0060.00317.47
8.1.190.0000.00817.47
8.1.180.0000.00818.10
8.1.170.0050.00318.74
8.1.160.0030.00318.96
8.1.150.0040.00418.79
8.1.140.0030.00619.62
8.1.130.0000.00817.78
8.1.120.0040.00417.52
8.1.110.0040.00317.52
8.1.100.0040.00417.65
8.1.90.0040.00417.53
8.1.80.0000.00817.58
8.1.70.0000.00717.63
8.1.60.0000.00917.73
8.1.50.0050.00317.70
8.1.40.0030.00617.70
8.1.30.0040.00417.82
8.1.20.0030.00517.78
8.1.10.0080.00017.63
8.1.00.0050.00217.61
8.0.300.0040.00418.77
8.0.290.0090.00016.75
8.0.280.0070.00018.31
8.0.270.0000.00717.22
8.0.260.0000.00617.21
8.0.250.0030.00317.01
8.0.240.0000.00717.06
8.0.230.0020.00517.08
8.0.220.0000.00716.96
8.0.210.0000.00716.97
8.0.200.0000.00817.08
8.0.190.0000.00717.10
8.0.180.0040.00416.99
8.0.170.0060.00317.08
8.0.160.0040.00417.02
8.0.150.0030.00317.10
8.0.140.0000.00716.91
8.0.130.0030.00313.51
8.0.120.0040.00416.93
8.0.110.0040.00417.08
8.0.100.0000.00716.94
8.0.90.0000.00716.97
8.0.80.0070.00716.99
8.0.70.0040.00417.03
8.0.60.0020.00516.92
8.0.50.0000.00716.92
8.0.30.0080.00917.16
8.0.20.0120.00717.40
8.0.10.0070.00017.14
8.0.00.0100.00716.96
7.4.330.0050.00015.08
7.4.320.0000.00716.71
7.4.300.0060.00016.79
7.4.290.0000.00716.73
7.4.280.0030.00616.56
7.4.270.0030.00316.86
7.4.260.0000.00716.70
7.4.250.0040.00416.61
7.4.240.0080.00016.79
7.4.230.0000.00816.80
7.4.220.0150.00316.72
7.4.210.0090.00916.88
7.4.200.0040.00416.84
7.4.160.0100.00616.53
7.4.150.0060.01217.40
7.4.140.0140.00717.86
7.4.130.0140.00416.63
7.4.120.0110.00816.71
7.4.110.0060.00916.55
7.4.100.0070.01016.77
7.4.90.0110.00616.68
7.4.80.0070.01019.39
7.4.70.0030.01616.66
7.4.60.0130.00616.58
7.4.50.0030.01216.46
7.4.40.0100.00716.80
7.4.30.0130.00416.66
7.4.00.0080.00714.94
7.3.330.0030.00513.31
7.3.320.0050.00013.40
7.3.310.0030.00316.56
7.3.300.0040.00416.42
7.3.290.0050.01016.45
7.3.280.0090.00616.47
7.3.270.0090.00917.40
7.3.260.0110.00716.47
7.3.250.0090.01016.41
7.3.240.0070.01116.56
7.3.230.0070.01016.50
7.3.210.0000.01616.61
7.3.200.0070.01016.45
7.3.190.0090.00616.51
7.3.180.0000.01716.36
7.3.170.0050.01616.72
7.3.160.0080.01516.64
7.3.120.0000.01414.82
7.3.110.0110.00715.00
7.3.100.0080.00614.73
7.3.90.0050.00514.86
7.3.80.0070.00714.75
7.3.70.0080.00814.87
7.3.60.0030.01614.88
7.3.50.0040.01414.99
7.3.40.0030.01314.79
7.3.30.0040.01214.89
7.3.20.0040.01116.69
7.3.10.0030.01316.65
7.3.00.0070.00716.88
7.2.330.0050.01816.83
7.2.320.0060.01916.83
7.2.310.0070.01416.86
7.2.300.0090.00916.56
7.2.290.0100.00716.56
7.2.250.0040.01115.30
7.2.240.0120.00615.13
7.2.230.0110.00315.27
7.2.220.0030.00915.20
7.2.210.0090.00315.41
7.2.200.0060.00615.13
7.2.190.0100.01015.13
7.2.180.0060.00614.98
7.2.170.0090.00615.11
7.2.60.0060.01017.14
7.2.00.0080.00319.40
7.1.330.0080.00415.84
7.1.320.0080.00416.10
7.1.310.0110.00315.96
7.1.300.0070.01115.96
7.1.290.0030.01015.68
7.1.280.0080.00416.08
7.1.270.0100.00316.12
7.1.260.0070.00415.68
7.1.200.0090.00315.85
7.1.100.0040.01118.26
7.1.70.0000.00717.32
7.1.60.0100.01419.47
7.1.00.0030.07722.46
7.0.200.0170.00314.71
7.0.60.0830.00020.07
7.0.50.0800.00020.44
7.0.40.0800.00020.22
7.0.30.1100.00020.26
7.0.20.1330.00020.29
7.0.10.0900.00020.43
7.0.00.1030.00020.21
5.6.280.0070.06721.10
5.6.210.1070.00020.60
5.6.200.0770.00021.22
5.6.190.2030.00021.07
5.6.180.0830.00021.21
5.6.170.0970.00021.21
5.6.160.1030.00021.03
5.6.150.1100.00021.03
5.6.140.0930.00021.12
5.6.130.0800.00021.14
5.6.120.1130.00021.07
5.6.110.0900.00021.04
5.6.100.0970.00021.17
5.6.90.0930.00021.03
5.6.80.0970.00020.35
5.6.70.1100.00020.34
5.6.60.1070.00020.41
5.6.50.0930.00020.41
5.6.40.0870.00020.48
5.6.30.0830.00020.43
5.6.20.0730.00020.51
5.6.10.0800.00020.38
5.6.00.0800.00020.38
5.5.350.1070.00020.48
5.5.340.0700.00020.86
5.5.330.0870.00020.78
5.5.320.1470.00020.77
5.5.310.1030.00020.80
5.5.300.1270.00020.87
5.5.290.0900.00020.71
5.5.280.1100.00020.84
5.5.270.0830.00020.87
5.5.260.0900.00020.68
5.5.250.0900.00020.66
5.5.240.0930.00020.42
5.5.230.1170.00020.32
5.5.220.1130.00020.17
5.5.210.0970.00020.38
5.5.200.1100.00020.38
5.5.190.1170.00020.19
5.5.180.1000.00020.30
5.5.160.0900.00020.32
5.5.150.1000.00020.22
5.5.140.0770.00020.09
5.5.130.1070.00020.23
5.5.120.1070.00020.30
5.5.110.1030.00020.26
5.5.100.0870.00020.18
5.5.90.0930.00020.14
5.5.80.0900.00020.02
5.5.70.0770.00020.17
5.5.60.1070.00020.00
5.5.50.0830.00019.97
5.5.40.0830.00019.97
5.5.30.1070.00020.09
5.5.20.0930.00020.04
5.5.10.0970.00020.15
5.5.00.1000.00020.14

preferences:
135.61 ms | 401 KiB | 5 Q