3v4l.org

run code in 300+ PHP versions simultaneously
<?php $arr1= array('a' => "XL"); $arr2= array('a' => "XLd",'b'=>"CDW"); $arr2 = array_replace(array_map(create_function('$n', 'return "";'), $arr2), $arr1); print_r($arr2);

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)
8.3.60.0120.00318.31
8.3.50.0070.00716.04
8.3.40.0110.00418.84
8.3.30.0140.00018.84
8.3.20.0050.00319.01
8.3.10.0080.00021.89
8.3.00.0070.00020.83
8.2.180.0060.01218.23
8.2.170.0160.00622.96
8.2.160.0070.00722.25
8.2.150.0040.00424.18
8.2.140.0070.00024.66
8.2.130.0040.00420.53
8.2.120.0040.00426.35
8.2.110.0000.00820.65
8.2.100.0080.00317.91
8.2.90.0050.00319.08
8.2.80.0050.00317.97
8.2.70.0090.00017.63
8.2.60.0060.00317.91
8.2.50.0000.00818.10
8.2.40.0040.00420.43
8.2.30.0030.00620.97
8.2.20.0040.00417.94
8.2.10.0000.00817.97
8.2.00.0000.00718.11
8.1.280.0070.01025.92
8.1.270.0040.00421.83
8.1.260.0050.00226.35
8.1.250.0040.00428.09
8.1.240.0090.00020.75
8.1.230.0080.00318.95
8.1.220.0040.00417.74
8.1.210.0040.00418.77
8.1.200.0040.00417.23
8.1.190.0060.00317.22
8.1.180.0020.00518.10
8.1.170.0000.00918.65
8.1.160.0000.00719.07
8.1.150.0000.00720.68
8.1.140.0040.00419.50
8.1.130.0050.00318.79
8.1.120.0070.00017.38
8.1.110.0020.00517.44
8.1.100.0050.00217.34
8.1.90.0040.00417.38
8.1.80.0030.00317.39
8.1.70.0030.00317.30
8.1.60.0070.00017.41
8.1.50.0000.00717.53
8.1.40.0000.00817.40
8.1.30.0040.00417.48
8.1.20.0000.00717.48
8.1.10.0040.00417.60
8.1.00.0040.00417.50
8.0.300.0000.00818.77
8.0.290.0070.00016.63
8.0.280.0030.00318.45
8.0.270.0070.00017.15
8.0.260.0070.00016.82
8.0.250.0000.00616.94
8.0.240.0070.00016.94
8.0.230.0000.00716.96
8.0.220.0000.00616.89
8.0.210.0040.00416.87
8.0.200.0030.00316.84
8.0.190.0050.00316.82
8.0.180.0090.00316.92
8.0.170.0050.00216.89
8.0.160.0030.00316.80
8.0.150.0000.00716.85
8.0.140.0030.00516.73
8.0.130.0030.00313.38
8.0.120.0080.00016.84
8.0.110.0000.00716.93
8.0.100.0040.00416.77
8.0.90.0000.00716.92
8.0.80.0120.00916.84
8.0.70.0000.00717.00
8.0.60.0030.00416.77
8.0.50.0040.00416.84
8.0.30.0110.00516.96
8.0.20.0130.00817.40
8.0.10.0030.00316.95
8.0.00.0060.01216.78
7.4.330.0000.00615.55
7.4.320.0060.00016.63
7.4.300.0030.00316.43
7.4.290.0040.00416.43
7.4.280.0080.00016.34
7.4.270.0030.00316.53
7.4.260.0070.00013.43
7.4.250.0070.00016.61
7.4.240.0040.00416.39
7.4.230.0030.00516.68
7.4.220.0120.00616.29
7.4.210.0120.00316.61
7.4.200.0050.00316.61
7.4.160.0040.01216.44
7.4.150.0090.00917.40
7.4.140.0110.00617.86
7.4.130.0170.00316.57
7.4.120.0090.00916.50
7.4.110.0090.00616.46
7.4.100.0120.00416.59
7.4.90.0070.01116.43
7.4.80.0130.00319.39
7.4.70.0070.01116.27
7.4.60.0100.00716.32
7.4.50.0090.00616.54
7.4.40.0090.00816.16
7.4.30.0110.01116.28
7.4.00.0080.00814.87
7.3.330.0000.00613.32
7.3.320.0000.00613.23
7.3.310.0000.00716.27
7.3.300.0000.00616.20
7.3.290.0080.00716.19
7.3.280.0100.00716.21
7.3.270.0120.00617.40
7.3.260.0090.00616.24
7.3.250.0110.01216.35
7.3.240.0090.01116.33
7.3.230.0060.01216.51
7.3.210.0030.01416.28
7.3.200.0050.01416.21
7.3.190.0100.00716.32
7.3.180.0060.01016.30
7.3.170.0070.01016.59
7.3.160.0070.01116.24
7.3.10.0090.00316.49
7.3.00.0100.00016.64
7.2.330.0030.01316.35
7.2.320.0100.01316.36
7.2.310.0060.01616.39
7.2.300.0070.01016.59
7.2.290.0060.01516.67
7.2.130.0030.00916.94
7.2.120.0080.00516.73
7.2.110.0060.00616.46
7.2.100.0000.00916.48
7.2.90.0090.00616.90
7.2.80.0060.00916.73
7.2.70.0080.00416.83
7.2.60.0020.01016.83
7.2.50.0030.01016.57
7.2.40.0030.00816.89
7.2.30.0090.00616.84
7.2.20.0080.00516.55
7.2.10.0040.01016.48
7.2.00.0050.00918.13
7.1.250.0040.00715.80
7.1.240.0030.01015.97
7.1.230.0060.00615.68
7.1.220.0030.00515.72
7.1.210.0050.00515.56
7.1.200.0100.00515.62
7.1.190.0040.00415.85
7.1.180.0000.01215.46
7.1.170.0060.00315.71
7.1.160.0090.00315.59
7.1.150.0070.00715.88
7.1.140.0070.00415.93
7.1.130.0030.01015.82
7.1.120.0080.00315.49
7.1.110.0070.00715.70
7.1.100.0000.01216.99
7.1.90.0090.00315.64
7.1.80.0000.00815.57
7.1.70.0030.00716.26
7.1.60.0310.00624.54
7.1.50.0180.01824.23
7.1.40.0270.01224.20
7.1.30.0290.00924.13
7.1.20.0390.00824.17
7.1.10.0180.01315.29
7.1.00.0230.00815.08
7.0.330.0040.00715.32
7.0.320.0000.01415.41
7.0.310.0000.01115.26
7.0.300.0030.00715.07
7.0.290.0080.00415.12
7.0.280.0060.00615.26
7.0.270.0030.00715.40
7.0.260.0060.00615.19
7.0.250.0000.01215.31
7.0.240.0000.01015.44
7.0.230.0030.00615.40
7.0.220.0030.00815.24
7.0.210.0040.00815.08
7.0.200.0180.01314.88
7.0.190.0390.00515.02
7.0.180.0280.00114.89
7.0.170.0260.00714.76
7.0.160.0200.01114.78
7.0.150.0280.00114.74
7.0.140.0200.00914.93
7.0.130.0240.00515.19
7.0.120.0270.00814.96
7.0.110.0250.00914.88
7.0.100.0210.00814.85
7.0.90.0210.00614.94
7.0.80.1330.00714.94
7.0.70.0280.00514.91
7.0.60.0320.01414.74
7.0.50.0260.00614.99
7.0.40.0270.00513.94
7.0.30.0260.00413.87
7.0.20.0230.00614.01
7.0.10.0250.01113.90
7.0.00.0230.00713.97
5.6.380.0030.01214.44

preferences:
50.27 ms | 400 KiB | 5 Q