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){ $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)
8.3.70.0140.00016.63
8.3.60.0150.00316.63
8.3.50.0110.00522.09
8.3.40.0110.00418.91
8.3.30.0110.00718.92
8.3.20.0050.00219.13
8.3.10.0000.00821.66
8.3.00.0060.00319.66
8.2.180.0120.00918.41
8.2.170.0080.00622.96
8.2.160.0070.00720.30
8.2.150.0080.00025.66
8.2.140.0040.00424.66
8.2.130.0030.00626.16
8.2.120.0020.00519.89
8.2.110.0040.00419.39
8.2.100.0060.00618.16
8.2.90.0070.00020.63
8.2.80.0000.00820.36
8.2.70.0050.00318.05
8.2.60.0090.00017.93
8.2.50.0040.00418.10
8.2.40.0030.00522.14
8.2.30.0000.00819.36
8.2.20.0040.00417.96
8.2.10.0000.00818.07
8.2.00.0000.00918.02
8.1.280.0070.01125.92
8.1.270.0030.00523.95
8.1.260.0110.00426.35
8.1.250.0080.00028.09
8.1.240.0090.00022.00
8.1.230.0090.00322.69
8.1.220.0040.00417.74
8.1.210.0030.00618.82
8.1.200.0000.01017.47
8.1.190.0050.00317.48
8.1.180.0040.00418.10
8.1.170.0000.00818.80
8.1.160.0040.00419.03
8.1.150.0050.00318.96
8.1.140.0070.00019.61
8.1.130.0040.00417.48
8.1.120.0070.00017.59
8.1.110.0070.00017.54
8.1.100.0070.00017.66
8.1.90.0040.00417.64
8.1.80.0040.00417.67
8.1.70.0030.00317.67
8.1.60.0080.00017.66
8.1.50.0000.00817.65
8.1.40.0030.00617.63
8.1.30.0040.00417.90
8.1.20.0030.00617.77
8.1.10.0040.00417.59
8.1.00.0040.00417.58
8.0.300.0040.00419.95
8.0.290.0040.00416.63
8.0.280.0000.00718.47
8.0.270.0070.00017.21
8.0.260.0030.00316.82
8.0.250.0000.00717.04
8.0.240.0030.00317.03
8.0.230.0000.00717.05
8.0.220.0030.00317.01
8.0.210.0000.00716.98
8.0.200.0000.00617.09
8.0.190.0040.00417.12
8.0.180.0070.00017.09
8.0.170.0080.00017.13
8.0.160.0000.00717.04
8.0.150.0000.00717.02
8.0.140.0030.00516.88
8.0.130.0000.00513.43
8.0.120.0070.00017.00
8.0.110.0040.00417.02
8.0.100.0000.00716.92
8.0.90.0070.00017.04
8.0.80.0140.00717.08
8.0.70.0000.00716.99
8.0.60.0000.00817.15
8.0.50.0040.00417.01
8.0.30.0130.00717.00
8.0.20.0160.00617.44
8.0.10.0030.00516.98
8.0.00.0110.00617.00
7.4.330.0000.00515.08
7.4.320.0000.00616.79
7.4.300.0030.00316.71
7.4.290.0030.00316.71
7.4.280.0070.00016.64
7.4.270.0000.00716.71
7.4.260.0000.00816.79
7.4.250.0070.00016.82
7.4.240.0030.00316.84
7.4.230.0000.00716.84
7.4.220.0170.01016.74
7.4.210.0060.00916.89
7.4.200.0000.00716.74
7.4.160.0100.00716.57
7.4.150.0090.00917.40
7.4.140.0160.00417.86
7.4.130.0080.00916.80
7.4.120.0070.00916.65
7.4.110.0110.00616.64
7.4.100.0120.00616.84
7.4.90.0100.00716.52
7.4.80.0040.01319.39
7.4.70.0040.01216.65
7.4.60.0140.00316.50
7.4.50.0030.01316.62
7.4.40.0090.01216.82
7.4.30.0110.01116.50
7.4.00.0030.01215.22
7.3.330.0000.00713.29
7.3.320.0050.00013.25
7.3.310.0030.00316.43
7.3.300.0030.00316.33
7.3.290.0110.00316.47
7.3.280.0100.00816.41
7.3.270.0090.00817.40
7.3.260.0120.00716.59
7.3.250.0120.00716.49
7.3.240.0120.00816.66
7.3.230.0130.00316.77
7.3.210.0200.00316.74
7.3.200.0100.00616.53
7.3.190.0080.00816.26
7.3.180.0130.01016.78
7.3.170.0090.01016.41
7.3.160.0090.00916.53
7.3.10.0030.01316.92
7.3.00.0130.01116.33
7.2.330.0100.00816.84
7.2.320.0120.00916.70
7.2.310.0160.00616.79
7.2.300.0090.00916.80
7.2.290.0120.00416.57
7.2.130.0040.01216.66
7.2.120.0070.00316.83
7.2.110.0110.00416.94
7.2.100.0110.00316.62
7.2.90.0190.00616.61
7.2.80.0090.00616.70
7.2.70.0090.00616.70
7.2.60.0070.01016.71
7.2.50.0050.00517.07
7.2.40.0110.00716.88
7.2.30.0030.01017.01
7.2.20.0150.00316.98
7.2.10.0100.00216.64
7.2.00.0090.01018.32
7.1.250.0140.00715.85
7.1.200.0060.00616.05
7.1.100.0060.00617.99
7.1.70.0150.00317.05
7.1.60.0100.01419.47
7.1.00.0100.07022.45
7.0.200.0080.00814.98
7.0.60.0800.00020.12
7.0.50.0900.00020.30
7.0.40.0870.00020.29
7.0.30.1070.00020.45
7.0.20.0830.00020.18
7.0.10.0830.00020.43
7.0.00.0830.00020.24
5.6.280.0000.07721.08
5.6.210.0830.00020.53
5.6.200.0900.00021.09
5.6.190.1000.00021.08
5.6.180.0970.00021.21
5.6.170.0900.00021.13
5.6.160.0770.00021.03
5.6.150.0970.00021.04
5.6.140.0870.00020.95
5.6.130.0900.00021.13
5.6.120.1130.00021.07
5.6.110.0970.00021.06
5.6.100.0930.00021.07
5.6.90.1030.00021.16
5.6.80.0830.00020.44
5.6.70.0670.00020.50
5.6.60.0770.00020.43
5.6.50.0800.00020.41
5.6.40.0770.00020.54
5.6.30.0770.00020.41
5.6.20.0830.00020.39
5.6.10.1130.00020.56
5.6.00.1070.00020.51
5.5.350.0800.00020.43
5.5.340.0870.00020.88
5.5.330.0670.00021.00
5.5.320.0800.00020.75
5.5.310.0730.00021.04
5.5.300.0970.00020.87
5.5.290.0870.00020.87
5.5.280.0730.00020.71
5.5.270.1130.00020.95
5.5.260.1100.00020.86
5.5.250.1030.00020.82
5.5.240.0670.00020.26
5.5.230.0700.00020.41
5.5.220.0770.00020.34
5.5.210.0800.00020.09
5.5.200.0800.00020.23
5.5.190.0830.00020.17
5.5.180.0930.00020.39
5.5.160.0800.00020.13
5.5.150.0800.00020.38
5.5.140.0770.00020.07
5.5.130.0730.00020.21
5.5.120.0800.00020.17
5.5.110.0830.00020.18
5.5.100.0830.00020.15
5.5.90.1000.00020.18
5.5.80.0900.00020.17
5.5.70.0900.00020.10
5.5.60.0870.00020.10
5.5.50.1070.00020.10
5.5.40.0870.00020.04
5.5.30.0870.00020.09
5.5.20.0930.00020.19
5.5.10.0730.00020.11
5.5.00.0670.00020.10

preferences:
59.73 ms | 401 KiB | 5 Q