3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = array( array("one" => array("a"=>"0000", "b"=>"1111")), ); foreach($a as &$record) { $record["one"]["a"] = "2222"; } var_dump($a); var_dump(str_replace("2", "3", $a));

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)
8.3.60.0160.00316.75
8.3.50.0070.00716.24
8.3.40.0140.00418.92
8.3.30.0140.00018.65
8.3.20.0080.00018.62
8.3.10.0030.00619.79
8.3.00.0040.00419.53
8.2.180.0150.00625.92
8.2.170.0060.00922.96
8.2.160.0040.01119.29
8.2.150.0000.00824.18
8.2.140.0040.00424.66
8.2.130.0000.00726.16
8.2.120.0040.00419.66
8.2.110.0070.00322.07
8.2.100.0000.01117.91
8.2.90.0040.00417.96
8.2.80.0000.00819.30
8.2.70.0000.00817.50
8.2.60.0030.00517.63
8.2.50.0000.00817.55
8.2.40.0090.00017.93
8.2.30.0040.00420.50
8.2.20.0050.00217.62
8.2.10.0040.00418.12
8.2.00.0030.00618.14
8.1.280.0090.00625.92
8.1.270.0040.00423.84
8.1.260.0080.00026.35
8.1.250.0040.00428.09
8.1.240.0100.00022.52
8.1.230.0070.00720.91
8.1.220.0030.00517.77
8.1.210.0030.00618.77
8.1.200.0040.00417.35
8.1.190.0010.00717.23
8.1.180.0040.00418.10
8.1.170.0030.00617.62
8.1.160.0000.00719.07
8.1.150.0040.00418.95
8.1.140.0000.00719.61
8.1.130.0030.00317.70
8.1.120.0020.00517.50
8.1.110.0040.00417.37
8.1.100.0040.00417.39
8.1.90.0040.00417.43
8.1.80.0030.00317.41
8.1.70.0040.00417.31
8.1.60.0040.00417.58
8.1.50.0060.00317.55
8.1.40.0000.00817.40
8.1.30.0080.00017.54
8.1.20.0060.00317.58
8.1.10.0040.00417.45
8.1.00.0080.00017.37
8.0.300.0070.00020.21
8.0.290.0070.00016.88
8.0.280.0050.00318.36
8.0.270.0040.00417.17
8.0.260.0060.00017.17
8.0.250.0030.00317.06
8.0.240.0030.00317.08
8.0.230.0000.00717.00
8.0.220.0040.00417.01
8.0.210.0070.00016.97
8.0.200.0060.00017.07
8.0.190.0050.00217.03
8.0.180.0000.00816.97
8.0.170.0040.00416.97
8.0.160.0000.00716.86
8.0.150.0040.00416.96
8.0.140.0070.00016.88
8.0.130.0060.00013.34
8.0.120.0000.00816.86
8.0.110.0040.00416.85
8.0.100.0050.00216.90
8.0.90.0030.00516.90
8.0.80.0130.00316.90
8.0.70.0000.00816.91
8.0.60.0050.00316.84
8.0.50.0000.00716.73
8.0.30.0090.00717.06
8.0.20.0100.00917.40
8.0.10.0090.00017.06
8.0.00.0100.01016.78
7.4.330.0000.00515.08
7.4.320.0070.00016.50
7.4.300.0000.00616.59
7.4.290.0030.00416.45
7.4.280.0050.00216.53
7.4.270.0000.00716.64
7.4.260.0000.00716.49
7.4.250.0030.00316.46
7.4.240.0050.00316.52
7.4.230.0030.00316.63
7.4.220.0090.00916.54
7.4.210.0070.01016.71
7.4.200.0000.00716.41
7.4.160.0050.01116.52
7.4.150.0130.00417.40
7.4.140.0080.00817.86
7.4.130.0120.00916.49
7.4.120.0090.01316.37
7.4.110.0090.00916.52
7.4.100.0110.00716.37
7.4.90.0140.00716.46
7.4.80.0110.00819.39
7.4.70.0030.01616.51
7.4.60.0070.01016.51
7.4.50.0000.01016.30
7.4.40.0130.00316.61
7.4.30.0100.00716.47
7.4.00.0090.00614.92
7.3.330.0030.00313.26
7.3.320.0000.00613.16
7.3.310.0060.00316.18
7.3.300.0000.00716.18
7.3.290.0080.00916.36
7.3.280.0050.01216.33
7.3.270.0160.02417.40
7.3.260.0150.00316.48
7.3.250.0110.00916.32
7.3.240.0090.00716.53
7.3.230.0070.01016.39
7.3.210.0000.01716.41
7.3.200.0070.01016.70
7.3.190.0050.01116.20
7.3.180.0120.00416.26
7.3.170.0040.01216.53
7.3.160.0030.01416.44
7.2.330.0110.00816.58
7.2.320.0080.00816.39
7.2.310.0120.00616.64
7.2.300.0070.01416.57
7.2.290.0090.00616.44
7.2.60.0090.00916.48
7.2.00.0000.01219.29
7.1.200.0090.00315.66
7.1.70.0090.00617.33
7.1.60.0080.00317.29
7.1.50.0230.01034.57
7.1.00.0030.07722.48
7.0.200.0090.00616.66
7.0.80.0700.07719.95
7.0.70.0600.08020.00
7.0.60.0530.05719.96
7.0.50.0600.08020.25
7.0.40.0070.06320.00
7.0.30.0070.08020.05
7.0.20.0030.05720.00
7.0.10.0130.07020.17
7.0.00.0130.08019.95
5.6.280.0030.07321.01
5.6.230.0030.09320.67
5.6.220.0030.06720.65
5.6.210.0070.08020.66
5.6.200.0130.08321.06
5.6.190.0070.08721.06
5.6.180.0100.08021.10
5.6.170.0070.05721.13
5.6.160.0070.08021.01
5.6.150.0100.06021.17
5.6.140.0170.07020.93
5.6.130.0070.09021.01
5.6.120.0200.07721.08
5.6.110.0100.07721.07
5.6.100.0070.06721.06
5.6.90.0070.08320.99
5.6.80.0100.07020.38
5.6.70.0130.08020.30
5.6.60.0170.07320.40
5.6.50.0130.05720.42
5.6.40.0100.08020.29
5.6.30.0000.08720.40
5.6.20.0130.07320.39
5.6.10.0070.08020.30
5.6.00.0100.07020.51
5.5.370.0100.07320.57
5.5.360.0030.08720.36
5.5.350.0000.09020.46
5.5.340.0070.04020.87
5.5.330.0130.08020.80
5.5.320.0130.05720.89
5.5.310.0170.07320.79
5.5.300.0230.06720.90
5.5.290.0100.06020.91
5.5.280.0200.06320.82
5.5.270.0100.08320.91
5.5.260.0200.05720.89
5.5.250.0100.08320.58
5.5.240.0170.07720.28
5.5.230.0130.07020.27
5.5.220.0130.07020.25
5.5.210.0100.08020.18
5.5.200.0130.07320.27
5.5.190.0100.08020.09
5.5.180.0030.05720.14
5.5.160.0170.07720.23
5.5.150.0100.07719.94
5.5.140.0070.05720.21
5.5.130.0070.08020.23
5.5.120.0200.06320.06
5.5.110.0070.06720.16
5.5.100.0070.07720.19
5.5.90.0070.08020.01
5.5.80.0000.04320.09
5.5.70.0030.04320.06
5.5.60.0100.05320.06
5.5.50.0000.06020.05
5.5.40.0000.04720.03
5.5.30.0030.04020.04
5.5.20.0030.04020.05
5.5.10.0070.03720.03
5.5.00.0000.04319.99

preferences:
63.36 ms | 401 KiB | 5 Q