3v4l.org

run code in 300+ PHP versions simultaneously
<?php $array1 = array( 'group 1' => array( 'test 1', 'test 2', 'test 3' ) ); $array2 = array( 'group 1' => array( 'test 1', 'test 4' ), 'group 2' => array( 'test2 1', 'test2 2', 'test 4' ) ); $merged = array_replace_recursive($array1, $array2); var_dump($merged);

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)
8.3.70.0140.00016.60
8.3.60.0040.01118.43
8.3.50.0090.01121.99
8.3.40.0110.01118.69
8.3.30.0140.00018.88
8.3.20.0050.00320.35
8.3.10.0000.00820.28
8.3.00.0050.00319.56
8.2.180.0170.00018.16
8.2.170.0140.00322.96
8.2.160.0100.00720.34
8.2.150.0000.00824.18
8.2.140.0080.00024.66
8.2.130.0000.00826.16
8.2.120.0110.00017.25
8.2.110.0030.00622.07
8.2.100.0100.00319.57
8.2.90.0020.00519.08
8.2.80.0030.00617.97
8.2.70.0050.00517.50
8.2.60.0030.00617.80
8.2.50.0040.00418.07
8.2.40.0000.00718.09
8.2.30.0090.00019.12
8.2.20.0030.00617.67
8.2.10.0070.00018.11
8.2.00.0030.00617.73
8.1.280.0040.01825.92
8.1.270.0050.00323.97
8.1.260.0140.00426.35
8.1.250.0050.00328.09
8.1.240.0060.00323.63
8.1.230.0090.00319.10
8.1.220.0000.00817.74
8.1.210.0070.00018.77
8.1.200.0040.00417.22
8.1.190.0080.00017.10
8.1.180.0000.00818.10
8.1.170.0000.00918.57
8.1.160.0000.00721.94
8.1.150.0060.00318.82
8.1.140.0050.00317.39
8.1.130.0000.00717.75
8.1.120.0070.00017.30
8.1.110.0030.00517.32
8.1.100.0000.00717.36
8.1.90.0050.00217.39
8.1.80.0070.00017.28
8.1.70.0040.00417.28
8.1.60.0030.00617.44
8.1.50.0040.00417.34
8.1.40.0060.00317.48
8.1.30.0030.00517.64
8.1.20.0000.00817.63
8.1.10.0000.00717.41
8.1.00.0030.00517.26
8.0.300.0030.00618.77
8.0.290.0040.00416.75
8.0.280.0050.00218.44
8.0.270.0000.00717.84
8.0.260.0000.00617.19
8.0.250.0070.00016.91
8.0.240.0040.00416.80
8.0.230.0000.00716.95
8.0.220.0030.00316.73
8.0.210.0070.00016.89
8.0.200.0030.00316.91
8.0.190.0050.00516.91
8.0.180.0040.00416.75
8.0.170.0040.00416.76
8.0.160.0000.00716.86
8.0.150.0050.00216.68
8.0.140.0050.00316.77
8.0.130.0060.00013.29
8.0.120.0050.00316.66
8.0.110.0000.00716.75
8.0.100.0000.00816.78
8.0.90.0000.00816.82
8.0.80.0070.00816.89
8.0.70.0000.00716.94
8.0.60.0040.00416.67
8.0.50.0000.00716.78
8.0.30.0100.01016.99
8.0.20.0140.01117.40
8.0.10.0030.00516.82
8.0.00.0090.01016.58
7.4.330.0050.00015.02
7.4.320.0000.00616.44
7.4.300.0000.00616.36
7.4.290.0080.00016.54
7.4.280.0040.00416.43
7.4.270.0000.00716.55
7.4.260.0080.00016.47
7.4.250.0050.00216.41
7.4.240.0020.00616.43
7.4.230.0030.00316.45
7.4.220.0060.01216.42
7.4.210.0070.00716.39
7.4.200.0030.00316.57
7.4.160.0070.01016.32
7.4.150.0100.01317.40
7.4.140.0070.01117.86
7.4.130.0110.00516.47
7.4.120.0100.00816.43
7.4.110.0030.01316.37
7.4.100.0130.01616.23
7.4.90.0130.00316.27
7.4.80.0090.00619.39
7.4.70.0110.01116.42
7.4.60.0080.00816.54
7.4.50.0080.00016.12
7.4.40.0110.00716.13
7.4.30.0030.01316.46
7.4.00.0060.00914.93
7.3.330.0000.00612.86
7.3.320.0050.00012.97
7.3.310.0040.00416.10
7.3.300.0030.00316.01
7.3.290.0090.00616.11
7.3.280.0100.00916.10
7.3.270.0140.00317.40
7.3.260.0160.00316.49
7.3.250.0100.01016.37
7.3.240.0120.00616.30
7.3.230.0070.01016.39
7.3.210.0070.01016.50
7.3.200.0120.00416.39
7.3.190.0100.01416.35
7.3.180.0100.00716.48
7.3.170.0090.00916.27
7.3.160.0030.01316.21
7.3.10.0080.00516.12
7.3.00.0040.00916.40
7.2.330.0090.00916.44
7.2.320.0140.00516.47
7.2.310.0070.01016.59
7.2.300.0130.00316.21
7.2.290.0070.01016.38
7.2.130.0080.00616.59
7.2.120.0060.00616.75
7.2.110.0100.00616.61
7.2.100.0030.00816.65
7.2.90.0110.00316.74
7.2.80.0050.00716.64
7.2.70.0050.00816.70
7.2.60.0050.00816.64
7.2.50.0060.00716.64
7.2.40.0100.00316.75
7.2.30.0080.00516.89
7.2.20.0030.01116.57
7.2.10.0050.00816.66
7.2.00.0080.00517.30
7.1.250.0040.01015.67
7.1.240.0080.00515.54
7.1.230.0020.01015.69
7.1.220.0050.00715.67
7.1.210.0020.00915.74
7.1.200.0100.00215.76
7.1.190.0090.00515.70
7.1.180.0050.00515.60
7.1.170.0070.00715.73
7.1.160.0040.00715.73
7.1.150.0090.00315.59
7.1.140.0070.00815.56
7.1.130.0120.00315.51
7.1.120.0060.00815.65
7.1.110.0060.00715.43
7.1.100.0080.00716.40
7.1.90.0030.00915.61
7.1.80.0090.00515.73
7.1.70.0110.00416.17
7.1.60.0090.00716.85
7.1.50.0090.00816.17
7.1.40.0050.01115.74
7.1.30.0100.00215.55
7.1.20.0070.00715.71
7.1.10.0060.00715.71
7.1.00.0090.02517.85
7.0.330.0030.00615.36
7.0.320.0030.00815.33
7.0.310.0050.00915.12
7.0.300.0060.00715.25
7.0.290.0080.00815.35
7.0.280.0100.00715.40
7.0.270.0070.00915.21
7.0.260.0040.00915.22
7.0.250.0080.00915.19
7.0.240.0050.00715.36
7.0.230.0130.00215.45
7.0.220.0050.01015.37
7.0.210.0060.00815.25
7.0.200.0040.00915.62
7.0.190.0080.00515.21
7.0.180.0110.00415.33
7.0.170.0070.00515.07
7.0.160.0050.00815.19
7.0.150.0080.00515.31
7.0.140.0070.02817.57
7.0.130.0110.00315.27
7.0.120.0030.00915.39
7.0.110.0030.00815.35
7.0.100.0080.00215.22
7.0.90.0130.00015.19
7.0.80.0080.00815.28
7.0.70.0080.00615.35
7.0.60.0130.02616.78
7.0.50.0080.03116.15
7.0.40.0050.03515.60
7.0.30.0160.01815.47
7.0.20.0100.03415.60
7.0.10.0040.03515.44
7.0.00.0050.02615.56
5.6.380.0040.00814.11
5.6.370.0050.00814.10
5.6.360.0050.00714.08
5.6.350.0030.01014.38
5.6.340.0090.00314.20
5.6.330.0060.00614.24
5.6.320.0030.00914.15
5.6.310.0080.00714.39
5.6.300.0060.00814.34
5.6.290.0070.00814.16
5.6.280.0040.02916.57
5.6.270.0020.00914.49
5.6.260.0090.00414.20
5.6.250.0020.01014.08
5.6.240.0070.00714.06
5.6.230.0100.00514.22
5.6.220.0100.00313.93
5.6.210.0050.02116.41
5.6.200.0050.01915.50
5.6.190.0090.01816.19
5.6.180.0250.02116.18
5.6.170.0140.02616.04
5.6.160.0080.03016.25
5.6.150.0090.01915.26
5.6.140.0110.02215.38
5.6.130.0080.03015.34
5.6.120.0050.03516.48
5.6.110.0100.03416.33
5.6.100.0060.02716.39
5.6.90.0120.02816.56
5.6.80.0080.03216.27
5.6.70.0070.01113.84
5.6.60.0050.00914.03
5.6.50.0050.01014.05
5.6.40.0050.00814.10
5.6.30.0080.00514.01
5.6.20.0050.00814.13
5.6.10.0060.00914.18
5.6.00.0100.00614.05
5.5.380.0080.00311.01
5.5.370.0020.00811.14
5.5.360.0000.01011.12
5.5.350.0070.02114.22
5.5.340.0060.01813.49
5.5.330.0040.03114.12
5.5.320.0140.02914.14
5.5.310.0130.02514.07
5.5.300.0070.01813.31
5.5.290.0060.03213.37
5.5.280.0060.02314.33
5.5.270.0040.03014.41
5.5.260.0050.01914.36
5.5.250.0030.01814.16
5.5.240.0100.02014.15
5.5.230.0030.00611.00
5.5.220.0070.00311.02
5.5.210.0040.00511.03
5.5.200.0030.00410.94
5.5.190.0050.00410.94
5.5.180.0030.00611.02
5.5.170.0010.01111.02
5.5.160.0040.00411.02
5.5.150.0020.01010.94
5.5.140.0030.00711.03
5.5.130.0060.00510.94
5.5.120.0020.00511.10
5.5.110.0050.00511.05
5.5.100.0040.00711.06
5.5.90.0050.00410.94
5.5.80.0050.00510.97
5.5.70.0020.00811.05
5.5.60.0040.00311.03
5.5.50.0020.00611.03
5.5.40.0080.00210.94
5.5.30.0020.00511.01
5.5.20.0070.00511.04
5.5.10.0050.00510.94
5.5.00.0050.00710.94
5.4.450.0150.02213.82
5.4.440.0280.02413.88
5.4.430.0390.02513.84
5.4.420.0090.02013.82
5.4.410.0360.02313.62
5.4.400.0410.02213.62
5.4.390.0340.02113.55
5.4.380.0140.02013.64
5.4.370.0150.02513.52
5.4.360.0180.01813.51
5.4.350.0150.02513.60
5.4.340.0070.02213.45
5.4.330.0040.00711.00
5.4.320.0050.01811.45
5.4.310.0040.01911.44
5.4.300.0050.01411.45
5.4.290.0060.01611.44
5.4.280.0040.01611.41
5.4.270.0030.01711.41
5.4.260.0050.01411.48
5.4.250.0060.01511.41
5.4.240.0050.01511.41
5.4.230.0040.01711.45
5.4.220.0060.01611.48
5.4.210.0040.01611.52
5.4.200.0080.01511.44
5.4.190.0020.01911.44
5.4.180.0050.01511.40
5.4.170.0060.01211.47
5.4.160.0040.01511.41
5.4.150.0070.01511.48
5.4.140.0090.01311.30
5.4.130.0080.01111.37
5.4.120.0070.01411.28
5.4.110.0050.01611.39
5.4.100.0050.01411.33
5.4.90.0030.01711.28
5.4.80.0070.01311.33
5.4.70.0050.01411.28
5.4.60.0050.01511.29
5.4.50.0020.01611.30
5.4.40.0060.01511.32
5.4.30.0050.01411.30
5.4.20.0040.01611.29
5.4.10.0050.01611.28
5.4.00.0040.01711.19
5.3.290.0050.01811.56
5.3.280.0050.01711.53
5.3.270.0040.02311.53
5.3.260.0040.02211.54
5.3.250.0050.01711.54
5.3.240.0050.01611.53
5.3.230.0100.01111.53
5.3.220.0050.01511.52
5.3.210.0060.01611.52
5.3.200.0030.01811.52
5.3.190.0030.01711.52
5.3.180.0050.01911.52
5.3.170.0050.02011.52
5.3.160.0040.02111.52
5.3.150.0050.02111.52
5.3.140.0040.01811.52
5.3.130.0070.01511.51
5.3.120.0030.01711.51
5.3.110.0050.01411.51
5.3.100.0040.01711.33
5.3.90.0030.01611.32
5.3.80.0020.01711.32
5.3.70.0050.01511.32
5.3.60.0040.01611.31
5.3.50.0070.01511.29
5.3.40.0010.01911.29
5.3.30.0070.01311.27
5.3.20.0070.01511.20
5.3.10.0030.01811.19
5.3.00.0040.02011.19
5.2.170.0030.01710.36
5.2.160.0060.01210.36
5.2.150.0040.01410.35
5.2.140.0050.01210.35
5.2.130.0040.01410.34
5.2.120.0020.01410.34
5.2.110.0020.01510.34
5.2.100.0030.01210.34
5.2.90.0040.01410.34
5.2.80.0030.01410.34
5.2.70.0030.01510.34
5.2.60.0010.01610.32
5.2.50.0060.01310.31
5.2.40.0060.01210.30
5.2.30.0020.01410.30
5.2.20.0050.01210.29
5.2.10.0030.01410.27
5.2.00.0040.01410.22
5.1.60.0040.0119.98
5.1.50.0050.0109.98
5.1.40.0040.0119.97
5.1.30.0020.01410.09
5.1.20.0030.01310.10
5.1.10.0020.01310.01
5.1.00.0040.01210.01
5.0.50.0060.0089.50
5.0.40.0030.0099.45
5.0.30.0020.0159.39
5.0.20.0040.0099.38
5.0.10.0010.0109.37
5.0.00.0060.0139.37
4.4.90.0020.0088.89
4.4.80.0040.0078.88
4.4.70.0020.0098.88
4.4.60.0040.0098.88
4.4.50.0020.0088.88
4.4.40.0030.0138.86
4.4.30.0030.0078.88
4.4.20.0010.0088.91
4.4.10.0040.0068.91
4.4.00.0010.0138.88
4.3.110.0020.0098.85
4.3.100.0020.0088.85
4.3.90.0030.0088.84
4.3.80.0020.0108.82
4.3.70.0040.0068.84
4.3.60.0020.0088.84
4.3.50.0010.0108.84
4.3.40.0020.0118.81
4.3.30.0040.0078.39
4.3.20.0010.0088.38
4.3.10.0020.0098.37
4.3.00.0020.0129.62

preferences:
44.41 ms | 401 KiB | 5 Q