3v4l.org

run code in 300+ PHP versions simultaneously
<?php $arr1= array('a' => "XL"); $arr2= array('a' => "XLd",'b'=>"CDW"); array_walk( $arr2, function(&$val,$key) use ($arr1){ if(isset($arr1[$key])){ $val = $arr1[$key]; } else { $val = ''; } } ); print_r($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)
8.4.130.0120.00817.38
8.4.120.0010.00720.59
8.4.110.0100.01122.38
8.4.100.0080.01220.36
8.4.90.0140.00618.83
8.4.80.0140.00518.86
8.4.70.0070.00418.14
8.4.60.0120.00918.62
8.4.50.0080.00417.82
8.4.40.0160.00324.03
8.4.30.0150.00619.78
8.4.20.0060.01517.88
8.4.10.0170.00319.45
8.3.250.0110.00718.65
8.3.240.0110.00817.07
8.3.230.0130.00616.66
8.3.220.0120.00618.88
8.3.210.0060.00216.74
8.3.200.0090.00616.63
8.3.190.0050.00417.00
8.3.180.0060.00216.40
8.3.170.0180.00019.03
8.3.160.0110.00718.47
8.3.150.0100.01018.82
8.3.140.0140.00320.86
8.3.130.0110.00418.24
8.3.120.0180.00420.52
8.3.110.0120.00620.94
8.3.100.0040.01216.35
8.3.90.0140.00326.77
8.3.80.0030.00716.50
8.3.70.0090.01316.58
8.3.60.0150.00718.43
8.3.50.0090.00816.44
8.3.40.0110.00418.54
8.3.30.0070.00718.74
8.3.20.0030.00519.16
8.3.10.0050.00221.73
8.3.00.0000.00820.83
8.2.290.0100.00920.36
8.2.280.0130.00618.27
8.2.270.0120.00316.43
8.2.260.0090.00918.88
8.2.250.0070.00718.61
8.2.240.0100.00017.28
8.2.230.0040.00422.58
8.2.220.0060.00324.06
8.2.210.0000.00826.77
8.2.200.0050.00518.28
8.2.190.0140.00016.58
8.2.180.0110.00325.92
8.2.170.0040.01119.00
8.2.160.0070.00722.31
8.2.150.0000.00725.66
8.2.140.0030.00624.66
8.2.130.0040.00420.35
8.2.120.0050.00326.35
8.2.110.0070.00321.12
8.2.100.0000.01118.16
8.2.90.0080.00018.34
8.2.80.0090.00318.04
8.2.70.0080.00017.93
8.2.60.0040.00418.05
8.2.50.0080.00018.10
8.2.40.0030.00522.23
8.2.30.0030.00621.14
8.2.20.0040.00418.00
8.2.10.0000.00718.07
8.2.00.0070.00018.07
8.1.330.0080.01121.91
8.1.320.0080.00816.13
8.1.310.0070.01016.80
8.1.300.0040.00717.67
8.1.290.0040.00430.84
8.1.280.0110.01125.92
8.1.270.0030.00622.19
8.1.260.0080.00026.35
8.1.250.0040.00428.09
8.1.240.0040.00422.14
8.1.230.0110.00022.63
8.1.220.0060.00317.78
8.1.210.0000.00918.77
8.1.200.0000.01017.35
8.1.190.0000.00817.23
8.1.180.0040.00418.10
8.1.170.0030.00618.64
8.1.160.0040.00419.01
8.1.150.0040.00418.89
8.1.140.0040.00417.43
8.1.130.0000.00718.88
8.1.120.0030.00317.36
8.1.110.0030.00317.46
8.1.100.0040.00417.46
8.1.90.0040.00417.52
8.1.80.0000.00717.47
8.1.70.0070.00017.30
8.1.60.0040.00417.64
8.1.50.0000.00717.48
8.1.40.0040.00417.50
8.1.30.0000.00817.67
8.1.20.0040.00417.69
8.1.10.0070.00017.47
8.1.00.0040.00417.48
8.0.300.0050.00219.58
8.0.290.0000.00816.63
8.0.280.0000.00718.44
8.0.270.0000.00716.82
8.0.260.0030.00316.73
8.0.250.0000.00716.90
8.0.240.0040.00416.92
8.0.230.0070.00016.99
8.0.220.0030.00316.80
8.0.210.0030.00316.88
8.0.200.0000.00716.81
8.0.190.0090.00016.85
8.0.180.0060.00316.93
8.0.170.0040.00416.85
8.0.160.0030.00316.86
8.0.150.0000.00716.82
8.0.140.0000.00816.82
8.0.130.0050.00013.34
8.0.120.0000.00716.87
8.0.110.0080.00016.88
8.0.100.0000.00716.76
8.0.90.0000.00716.75
8.0.80.0050.00916.87
8.0.70.0030.00516.78
8.0.60.0030.00316.86
8.0.50.0040.00416.91
8.0.30.0130.00617.09
8.0.20.0070.01317.40
8.0.10.0040.00417.03
8.0.00.0060.01216.74
7.4.330.0000.00515.55
7.4.320.0030.00316.40
7.4.300.0000.00616.50
7.4.290.0030.00316.51
7.4.280.0040.00416.48
7.4.270.0040.00416.61
7.4.260.0030.00313.28
7.4.250.0000.00716.32
7.4.240.0030.00316.53
7.4.230.0000.00716.61
7.4.220.0120.00616.60
7.4.210.0060.01016.47
7.4.200.0070.00016.61
7.4.160.0060.01116.56
7.4.150.0100.00717.40
7.4.140.0100.00817.86
7.4.130.0160.00316.57
7.4.120.0110.00716.58
7.4.110.0070.01116.52
7.4.100.0060.01116.68
7.4.90.0110.00616.48
7.4.80.0160.01219.39
7.4.70.0160.00016.51
7.4.60.0100.00716.48
7.4.50.0110.00616.53
7.4.40.0030.01316.57
7.4.30.0120.00616.58
7.4.00.0100.00615.08
7.3.330.0050.00013.28
7.3.320.0050.00013.30
7.3.310.0030.00316.29
7.3.300.0000.00616.28
7.3.290.0060.00916.26
7.3.280.0060.01116.29
7.3.270.0030.01317.40
7.3.260.0080.00916.48
7.3.250.0100.00716.47
7.3.240.0100.00616.46
7.3.230.0120.00616.34
7.3.210.0090.00616.61
7.3.200.0160.00716.71
7.3.190.0090.00616.39
7.3.180.0130.00316.37
7.3.170.0100.00716.34
7.3.160.0040.01116.38
7.3.120.0120.00514.75
7.3.110.0090.00914.78
7.3.100.0040.01114.68
7.3.90.0060.00814.99
7.3.80.0070.00514.63
7.3.70.0010.00914.63
7.3.60.0060.00414.75
7.3.50.0070.00914.78
7.3.40.0090.00514.73
7.3.30.0040.01014.89
7.3.20.0050.00916.37
7.3.10.0090.00616.58
7.3.00.0080.00716.71
7.2.330.0060.01216.45
7.2.320.0120.00616.57
7.2.310.0100.00716.70
7.2.300.0120.01216.57
7.2.290.0100.00716.78
7.2.250.0050.01615.17
7.2.240.0000.01815.11
7.2.230.0070.01014.86
7.2.220.0030.00815.11
7.2.210.0090.00415.01
7.2.200.0050.00915.03
7.2.190.0050.00914.88
7.2.180.0060.00814.92
7.2.170.0030.01115.09
7.2.60.0030.01016.95
7.2.00.0030.00919.32
7.1.330.0050.00715.79
7.1.320.0030.01215.70
7.1.310.0080.00615.86
7.1.300.0030.01215.68
7.1.290.0030.00815.95
7.1.280.0040.00615.66
7.1.270.0050.00915.89
7.1.260.0100.00415.89
7.1.200.0000.01215.89
7.1.100.0000.01417.98
7.1.70.0030.00617.22
7.1.60.0600.01333.12
7.1.50.0570.02032.70
7.1.40.0770.00332.52
7.1.30.0900.00332.82
7.1.20.0670.01732.77
7.1.10.0700.00714.84
7.1.00.0530.01714.82
7.0.200.0700.01014.78
7.0.190.0570.01014.90
7.0.180.0670.00714.20
7.0.170.0570.01014.52
7.0.160.0630.00714.43
7.0.150.0530.01314.34
7.0.140.0600.01014.54
7.0.130.0600.00314.64
7.0.120.0570.01314.77
7.0.110.0500.01314.48
7.0.100.1330.00714.44
7.0.90.0670.01014.36
7.0.80.0600.01014.53
7.0.70.0600.00314.39
7.0.60.0730.00314.24
7.0.50.0600.00314.55
7.0.40.0430.01714.53
7.0.30.0500.00714.80
7.0.20.0500.00714.68
7.0.10.0630.00314.66
7.0.00.0530.00714.51

preferences:
18.36 ms | 403 KiB | 5 Q