3v4l.org

run code in 200+ PHP versions simultaneously
<?php $a = array( 1 => array( 'test' => 3 ) ); $b = array( 1 => array( 'test2' => 3 ) ); $c = array_replace_recursive( $a, $b ); var_dump( $c );
based on r5paG

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)
7.4.00.0000.01114.67
7.3.10.0060.01216.54
7.3.00.0040.00816.56
7.2.130.0100.00316.87
7.2.120.0090.00316.84
7.2.110.0050.00516.60
7.2.100.0060.00616.77
7.2.90.0110.00317.00
7.2.80.0100.00516.64
7.2.70.0060.00616.77
7.2.60.0070.01016.72
7.2.50.0000.01316.89
7.2.40.0060.00916.81
7.2.30.0070.00316.96
7.2.20.0000.01616.78
7.2.10.0030.01416.62
7.2.00.0080.00816.48
7.1.250.0000.01015.66
7.1.200.0030.01015.79
7.1.70.0040.00416.96
7.1.60.0030.01017.19
7.1.00.0030.07722.41
7.0.200.0030.01316.80
7.0.100.0130.08019.87
7.0.90.0200.08319.94
7.0.80.0130.07319.91
7.0.70.0030.08019.90
7.0.60.0230.04719.89
7.0.50.0070.06720.32
7.0.40.0100.07319.92
7.0.30.0000.09020.18
7.0.20.0130.04320.13
7.0.10.0100.06320.05
7.0.00.0100.08320.07
5.6.280.0070.07021.11
5.6.250.0130.03320.58
5.6.240.0130.06020.68
5.6.230.0070.05320.72
5.6.220.0030.09020.67
5.6.210.0200.06320.48
5.6.200.0100.09021.03
5.6.190.0070.03720.99
5.6.180.0130.04321.05
5.6.170.0170.06721.13
5.6.160.0070.05021.13
5.6.150.0000.08721.07
5.6.140.0030.05021.04
5.6.130.0130.07721.13
5.6.120.0100.07721.16
5.6.110.0000.05321.00
5.6.100.0000.05720.91
5.6.90.0100.07720.98
5.6.80.0100.07020.44
5.6.70.0130.04020.39
5.6.60.0000.05020.38
5.6.50.0030.05020.41
5.6.40.0130.07320.43
5.6.30.0130.06720.31
5.6.20.0030.06020.52
5.6.10.0030.04020.30
5.6.00.0000.05020.37
5.5.380.0030.07720.45
5.5.370.0100.06720.46
5.5.360.0000.09320.37
5.5.350.0070.04720.39
5.5.340.0030.08020.88
5.5.330.0030.07720.62
5.5.320.0030.08020.83
5.5.310.0130.05320.90
5.5.300.0070.08020.91
5.5.290.0170.04020.76
5.5.280.0070.08020.86
5.5.270.0100.06320.90
5.5.260.0170.07320.81
5.5.250.0100.06020.72
5.5.240.0100.07020.30
5.5.230.0070.05020.13
5.5.220.0100.07320.20
5.5.210.0170.06320.01
5.5.200.0070.04320.27
5.5.190.0100.06320.26
5.5.180.0100.07719.96
5.5.160.0130.05720.20
5.5.150.0070.03720.17
5.5.140.0030.03720.24
5.5.130.0000.04320.26
5.5.120.0100.03319.98
5.5.110.0070.03720.14
5.5.100.0070.03320.17
5.5.90.0070.03720.07
5.5.80.0000.03720.14
5.5.70.0070.03720.13
5.5.60.0000.05720.04
5.5.50.0000.04320.13
5.5.40.0000.06020.04
5.5.30.0070.06720.04
5.5.20.0000.04320.09
5.5.10.0030.04720.06
5.5.00.0030.04020.01
5.4.450.0030.08319.45
5.4.440.0000.07319.37
5.4.430.0130.06019.42
5.4.420.0100.07719.47
5.4.410.0070.06019.43
5.4.400.0070.07718.91
5.4.390.0130.07018.96
5.4.380.0030.07019.10
5.4.370.0070.06319.05
5.4.360.0100.05719.03
5.4.350.0000.06719.03
5.4.340.0100.04019.14
5.4.320.0030.04318.78
5.4.310.0030.03718.80
5.4.300.0030.03718.90
5.4.290.0100.03319.05
5.4.280.0030.04019.11
5.4.270.0070.03319.09
5.4.260.0070.03319.09
5.4.250.0070.03719.06
5.4.240.0030.03718.78
5.4.230.0030.03319.11
5.4.220.0070.03719.12
5.4.210.0030.04319.09
5.4.200.0000.04019.02
5.4.190.0030.03719.04
5.4.180.0070.04319.04
5.4.170.0070.03319.21
5.4.160.0000.04018.92
5.4.150.0030.04318.79
5.4.140.0030.03716.38
5.4.130.0030.03716.33
5.4.120.0170.01716.07
5.4.110.0000.04316.20
5.4.100.0000.04016.25
5.4.90.0070.02716.34
5.4.80.0100.02716.24
5.4.70.0030.03716.31
5.4.60.0000.04316.32
5.4.50.0030.03316.19
5.4.40.0070.03316.47
5.4.30.0030.03716.18
5.4.20.0030.03716.19
5.4.10.0000.04016.19
5.4.00.0070.03715.81
5.3.290.0100.03014.57
5.3.280.0030.03714.55
5.3.270.0070.04014.58
5.3.260.0100.03314.55
5.3.250.0000.04714.51
5.3.240.0030.03714.47
5.3.230.0070.03714.57
5.3.220.0030.03714.52
5.3.210.0100.03014.51
5.3.200.0030.04014.56
5.3.190.0100.02714.56
5.3.180.0030.03714.51
5.3.170.0000.04014.54
5.3.160.0030.03014.55
5.3.150.0100.03314.57
5.3.140.0000.04714.54
5.3.130.0030.03714.53
5.3.120.0030.03714.48
5.3.110.0000.04014.41
5.3.100.0030.06314.02
5.3.90.0000.03313.88
5.3.80.0030.04013.87
5.3.70.0000.04013.77
5.3.60.0070.03313.99
5.3.50.0100.02713.93
5.3.40.0070.08013.89
5.3.30.0000.03713.82
5.3.20.0070.07313.66
5.3.10.0030.03313.63
5.3.00.0000.07313.57
5.2.170.0070.05312.08
5.2.160.0070.06312.08
5.2.150.0100.03012.08
5.2.140.0070.05712.08
5.2.130.0030.05012.08
5.2.120.0070.06012.08
5.2.110.0130.04712.08
5.2.100.0070.05712.08
5.2.90.0030.05712.08
5.2.80.0100.05712.08
5.2.70.0100.05712.08
5.2.60.0100.05312.08
5.2.50.0070.04012.08
5.2.40.0030.06012.08
5.2.30.0100.05712.08
5.2.20.0030.06312.08
5.2.10.0070.05012.08
5.2.00.0030.04312.08
5.1.60.0030.05312.08
5.1.50.0030.03312.08
5.1.40.0070.03012.08
5.1.30.0030.04312.08
5.1.20.0070.05012.08
5.1.10.0030.02712.08
5.1.00.0070.02312.08
5.0.50.0030.02012.08
5.0.40.0030.03012.08
5.0.30.0070.05312.08
5.0.20.0030.03312.08
5.0.10.0030.04312.08
5.0.00.0030.06312.08
4.4.90.0030.01712.08
4.4.80.0000.02012.08
4.4.70.0000.03312.08
4.4.60.0000.03712.08
4.4.50.0000.03712.08
4.4.40.0000.03012.08
4.4.30.0030.02012.08
4.4.20.0030.02012.08
4.4.10.0030.01712.08
4.4.00.0070.03312.08
4.3.110.0070.02312.08
4.3.100.0070.03012.08
4.3.90.0000.03712.08
4.3.80.0000.05712.08
4.3.70.0070.03012.08
4.3.60.0000.02712.08
4.3.50.0030.01712.08
4.3.40.0030.02712.08
4.3.30.0030.02712.08
4.3.20.0000.02712.08
4.3.10.0030.03712.08
4.3.00.0030.03012.08