3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = array('a' => array(0 => 1, 1 => 2) ,'b' => array(0 => 1, 1 => 2)); print_r(array_reduce($a, 'array_merge', $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)
8.3.60.0140.00316.38
8.3.50.0140.00821.82
8.3.40.0120.00618.56
8.3.30.0120.00318.83
8.3.20.0040.00420.07
8.3.10.0050.00323.66
8.3.00.0040.00419.67
8.2.180.0120.00916.48
8.2.170.0070.00722.96
8.2.160.0090.00620.44
8.2.150.0040.00424.18
8.2.140.0080.00024.66
8.2.130.0070.00026.16
8.2.120.0080.00019.23
8.2.110.0060.00322.20
8.2.100.0040.00718.22
8.2.90.0030.00619.09
8.2.80.0040.00417.97
8.2.70.0030.00517.50
8.2.60.0100.00017.93
8.2.50.0030.00618.07
8.2.40.0040.00917.98
8.2.30.0040.00418.06
8.2.20.0050.00217.72
8.2.10.0000.00717.97
8.2.00.0070.00017.65
8.1.280.0110.00725.92
8.1.270.0000.00823.84
8.1.260.0050.00326.35
8.1.250.0030.00528.09
8.1.240.0000.00923.67
8.1.230.0090.00319.08
8.1.220.0030.00517.74
8.1.210.0040.00418.77
8.1.200.0060.00317.25
8.1.190.0040.00417.23
8.1.180.0030.00618.10
8.1.170.0060.00318.39
8.1.160.0000.00721.82
8.1.150.0000.00818.55
8.1.140.0030.00517.36
8.1.130.0040.00417.82
8.1.120.0030.00317.43
8.1.110.0030.00617.42
8.1.100.0070.00017.24
8.1.90.0050.00317.38
8.1.80.0040.00417.28
8.1.70.0060.00317.41
8.1.60.0000.00717.39
8.1.50.0000.00817.41
8.1.40.0030.00617.36
8.1.30.0040.00417.62
8.1.20.0040.00417.62
8.1.10.0080.00017.40
8.1.00.0000.00917.39
8.0.300.0070.00018.77
8.0.290.0000.00816.63
8.0.280.0030.00318.23
8.0.270.0050.00317.19
8.0.260.0060.00017.06
8.0.250.0040.00416.75
8.0.240.0060.00316.88
8.0.230.0030.00316.88
8.0.220.0000.00616.71
8.0.210.0000.00716.88
8.0.200.0030.00316.79
8.0.190.0030.00316.88
8.0.180.0000.00716.86
8.0.170.0080.00016.87
8.0.160.0070.00016.80
8.0.150.0000.00716.80
8.0.140.0050.00316.67
8.0.130.0030.00313.25
8.0.120.0040.00416.82
8.0.110.0030.00316.73
8.0.100.0040.00416.64
8.0.90.0040.00416.94
8.0.80.0060.01016.81
8.0.70.0000.00816.78
8.0.60.0040.00416.93
8.0.50.0030.00516.71
8.0.30.0090.01016.87
8.0.20.0070.01117.40
8.0.10.0070.00016.89
8.0.00.0090.00916.71
7.4.330.0050.00015.00
7.4.320.0030.00316.34
7.4.300.0000.00716.44
7.4.290.0030.00316.41
7.4.280.0090.00016.42
7.4.270.0000.00816.42
7.4.260.0040.00416.46
7.4.250.0050.00316.33
7.4.240.0050.00216.33
7.4.230.0000.00716.28
7.4.220.0170.01016.39
7.4.210.0030.01516.35
7.4.200.0000.00716.19
7.4.160.0040.01116.43
7.4.150.0110.00817.40
7.4.140.0130.00517.86
7.4.130.0070.01016.41
7.4.120.0130.00316.37
7.4.110.0140.00316.50
7.4.100.0120.01216.33
7.4.90.0090.00916.41
7.4.80.0070.01319.39
7.4.70.0130.00316.42
7.4.60.0030.01416.22
7.4.50.0000.00816.04
7.4.40.0060.01016.53
7.4.30.0090.00616.36
7.4.00.0120.00815.02
7.3.330.0030.00312.88
7.3.320.0050.00012.97
7.3.310.0080.00016.21
7.3.300.0070.00015.98
7.3.290.0070.00716.17
7.3.280.0090.01016.14
7.3.270.0110.00717.40
7.3.260.0030.01416.12
7.3.250.0100.00916.12
7.3.240.0140.00716.13
7.3.230.0060.01016.39
7.3.210.0100.00716.09
7.3.200.0030.01319.39
7.3.190.0090.00916.29
7.3.180.0050.01116.27
7.3.170.0080.00816.27
7.3.160.0060.00916.42
7.3.120.0130.00614.74
7.3.110.0100.01014.47
7.3.100.0120.00614.69
7.3.90.0000.01714.76
7.3.80.0040.00914.70
7.3.70.0070.01114.86
7.3.60.0100.00314.55
7.3.50.0030.01314.39
7.3.40.0100.00314.63
7.3.30.0030.01014.52
7.3.20.0030.01116.45
7.3.10.0090.00616.40
7.3.00.0080.00416.46
7.2.330.0130.00616.25
7.2.320.0000.02116.51
7.2.310.0080.00816.46
7.2.300.0030.01416.32
7.2.290.0070.00716.33
7.2.250.0040.01814.94
7.2.240.0140.00714.89
7.2.230.0070.01015.00
7.2.220.0070.01314.50
7.2.210.0030.01214.80
7.2.200.0070.01114.79
7.2.190.0060.01014.84
7.2.180.0000.01614.85
7.2.170.0080.00615.02
7.2.160.0030.01014.95
7.2.150.0070.00716.52
7.2.140.0030.00916.89
7.2.130.0060.00816.51
7.2.120.0080.00516.54
7.2.110.0080.00616.48
7.2.100.0070.00816.66
7.2.90.0060.00916.60
7.2.80.0070.00816.62
7.2.70.0070.00916.50
7.2.60.0080.00716.69
7.2.50.0080.00816.60
7.2.40.0060.00816.56
7.2.30.0080.00816.72
7.2.20.0090.00616.68
7.2.10.0060.00616.66
7.2.00.0080.00717.19
7.1.330.0090.00315.66
7.1.320.0000.01215.88
7.1.310.0080.00415.80
7.1.300.0040.00715.56
7.1.290.0030.00915.52
7.1.280.0070.00315.55
7.1.270.0060.00615.74
7.1.260.0120.00315.77
7.1.250.0100.00715.55
7.1.240.0070.00315.70
7.1.230.0040.01215.79
7.1.220.0040.00715.84
7.1.210.0040.00815.55
7.1.200.0130.00315.68
7.1.190.0090.00315.70
7.1.180.0100.00015.50
7.1.170.0120.00315.42
7.1.160.0030.01015.50
7.1.150.0000.01415.63
7.1.140.0080.00415.62
7.1.130.0090.00315.80
7.1.120.0070.00715.59
7.1.110.0070.00315.84
7.1.100.0030.01016.82
7.1.90.0080.00315.52
7.1.80.0050.00515.73
7.1.70.0040.00716.44
7.1.60.0050.01417.69
7.1.50.0080.00816.15
7.1.40.0120.00315.41
7.1.30.0060.00615.63
7.1.20.0100.00315.51
7.1.10.0070.00415.91
7.1.00.0050.04018.98
7.0.330.0070.00314.90
7.0.320.0060.00315.21
7.0.310.0050.00315.08
7.0.300.0030.00715.19
7.0.290.0030.00715.23
7.0.280.0100.00315.23
7.0.270.0110.00415.19
7.0.260.0070.00715.23
7.0.250.0070.00715.29
7.0.240.0000.00915.06
7.0.230.0080.01315.06
7.0.220.0040.00815.49
7.0.210.0080.00415.45
7.0.200.0060.00416.02
7.0.190.0070.00715.24
7.0.180.0040.00414.98
7.0.170.0030.00715.37
7.0.160.0030.00915.06
7.0.150.0090.00015.28
7.0.140.0040.04018.81
7.0.130.0000.01215.27
7.0.120.0070.00415.16
7.0.110.0000.01115.36
7.0.100.0000.01015.27
7.0.90.0030.00615.27
7.0.80.0040.00815.08
7.0.70.0000.01115.08
7.0.60.0040.04517.62
7.0.50.0050.03516.58
7.0.40.0030.05116.86
7.0.30.0150.02916.74
7.0.20.0200.03816.72
7.0.10.0110.04016.66
7.0.00.0100.04116.63
5.6.380.0000.01114.36
5.6.370.0060.00313.88
5.6.360.0000.01014.10
5.6.350.0080.00414.29
5.6.340.0050.00514.24
5.6.330.0040.01114.49
5.6.320.0030.01014.25
5.6.310.0060.00614.08
5.6.300.0000.01114.20
5.6.290.0030.01213.88
5.6.280.0030.03817.63
5.6.270.0080.00814.44
5.6.260.0100.00014.25
5.6.250.0040.00814.02
5.6.240.0000.01014.41
5.6.230.0070.00714.21
5.6.220.0070.00713.83
5.6.210.0070.04517.38
5.6.200.0080.04316.11
5.6.190.0070.03517.27
5.6.180.0150.04417.43
5.6.170.0150.04817.24
5.6.160.0070.02017.37
5.6.150.0080.01916.02
5.6.140.0050.02116.07
5.6.130.0060.04316.26
5.6.120.0090.04217.39
5.6.110.0100.03717.56
5.6.100.0070.02417.47
5.6.90.0090.05117.59
5.6.80.0070.04217.11
5.6.70.2320.02217.04
5.6.60.0120.00014.07
5.6.50.0140.00014.23
5.6.40.0030.00914.25
5.6.30.0000.01514.07
5.6.20.0000.01113.96
5.6.10.0060.00314.01
5.6.00.0000.01414.01
5.5.380.0000.01110.90
5.5.370.0000.00910.90
5.5.360.0080.00010.92
5.5.350.0070.04015.74
5.5.340.0050.02014.43
5.5.330.0100.02515.57
5.5.320.0120.02315.62
5.5.310.0180.02215.69
5.5.300.0080.01814.46
5.5.290.0050.04314.47
5.5.280.0050.02115.91
5.5.270.0070.04015.88
5.5.260.0080.03815.90
5.5.250.0060.02015.79
5.5.240.0050.04215.60
5.5.230.0060.00310.98
5.5.220.0070.00010.90
5.5.210.0040.00810.90
5.5.200.0000.01311.04
5.5.190.0000.00911.17
5.5.180.0090.00011.15
5.5.170.0050.00310.90
5.5.160.0060.00010.96
5.5.150.0040.00411.12
5.5.140.0070.00311.17
5.5.130.0050.00311.04
5.5.120.0040.00410.91
5.5.110.0030.00710.90
5.5.100.0080.00311.20
5.5.90.0090.00010.90
5.5.80.0110.00011.04
5.5.70.0030.00710.90
5.5.60.0080.00010.90
5.5.50.0030.00610.90
5.5.40.0050.00311.09
5.5.30.0070.00411.04
5.5.20.0030.00710.90
5.5.10.0030.00511.22
5.5.00.0030.00610.90
5.4.450.0120.02827.42
5.4.440.0280.02827.43
5.4.430.0160.02427.37
5.4.420.0170.02027.34
5.4.410.0120.02627.34
5.4.400.0190.01927.36
5.4.390.0210.02127.40
5.4.380.0050.03314.78
5.4.370.0050.03414.83
5.4.360.0100.02714.89
5.4.350.0080.03314.79
5.4.340.0110.02714.76
5.4.330.0030.00610.90
5.4.320.0060.01911.76
5.4.310.0070.02111.69
5.4.300.0050.02111.69
5.4.290.0060.02211.69
5.4.280.0080.01811.64
5.4.270.0050.02111.64
5.4.260.0080.01811.70
5.4.250.0080.01811.69
5.4.240.0070.01911.64
5.4.230.0060.02311.63
5.4.220.0050.02211.63
5.4.210.0070.01911.63
5.4.200.0040.02611.63
5.4.190.0070.02011.63
5.4.180.0090.02011.63
5.4.170.0070.02011.64
5.4.160.0050.02211.63
5.4.150.0040.02211.63
5.4.140.0060.02511.48
5.4.130.0070.01811.47
5.4.120.0040.02711.46
5.4.110.0060.02511.45
5.4.100.0060.02311.45
5.4.90.0050.02411.45
5.4.80.0060.02511.45
5.4.70.0050.02311.45
5.4.60.0030.02111.45
5.4.50.0060.01811.45
5.4.40.0060.02211.49
5.4.30.0080.02111.44
5.4.20.0040.02111.44
5.4.10.0020.02111.44
5.4.00.0040.02111.18
5.3.290.0050.02611.85
5.3.280.0070.02011.80
5.3.270.0070.02111.81
5.3.260.0040.02411.81
5.3.250.0050.02311.81
5.3.240.0070.02011.81
5.3.230.0040.02611.80
5.3.220.0080.02111.79
5.3.210.0040.02411.79
5.3.200.0070.02011.79
5.3.190.0040.02511.79
5.3.180.0040.02311.79
5.3.170.0060.02011.78
5.3.160.0050.02211.79
5.3.150.0020.02411.79
5.3.140.0030.02211.78
5.3.130.0050.02211.78
5.3.120.0040.02911.78
5.3.110.0070.02311.78
5.3.100.0060.02011.51
5.3.90.0030.02311.49
5.3.80.0040.02611.49
5.3.70.0060.02011.49
5.3.60.0040.02311.49
5.3.50.0040.02111.45
5.3.40.0070.01711.46
5.3.30.0010.02311.43
5.3.20.0060.02111.32
5.3.10.0050.02111.31
5.3.00.0040.02311.30
5.2.170.0060.01710.04
5.2.160.0030.02110.04
5.2.150.0040.01710.04
5.2.140.0020.02010.04
5.2.130.0020.01910.02
5.2.120.0020.02110.02
5.2.110.0020.02010.02
5.2.100.0020.01810.02
5.2.90.0060.01410.02
5.2.80.0030.01810.02
5.2.70.0060.01410.02
5.2.60.0010.0199.99
5.2.50.0060.0209.97
5.2.40.0040.0229.96
5.2.30.0040.0189.96
5.2.20.0050.0169.95
5.2.10.0060.0159.91
5.2.00.0020.0179.84
5.1.60.0040.0149.48
5.1.50.0060.0149.48
5.1.40.0020.0189.47
5.1.30.0030.0149.64
5.1.20.0020.0199.65
5.1.10.0050.0139.52
5.1.00.0050.0169.52
5.0.50.0020.0138.76
5.0.40.0030.0138.69
5.0.30.0030.0198.59
5.0.20.0030.0138.59
5.0.10.0030.0148.57
5.0.00.0040.0198.57
4.4.90.0020.0097.84
4.4.80.0030.0087.83
4.4.70.0040.0127.83
4.4.60.0020.0097.83
4.4.50.0010.0127.83
4.4.40.0030.0177.80
4.4.30.0010.0107.83
4.4.20.0040.0117.87
4.4.10.0030.0107.87
4.4.00.0020.0167.83
4.3.110.0020.0107.78
4.3.100.0030.0077.78
4.3.90.0020.0137.77
4.3.80.0020.0137.74
4.3.70.0020.0097.76
4.3.60.0020.0107.76
4.3.50.0030.0097.76
4.3.40.0020.0157.72
4.3.30.0030.0127.09
4.3.20.0020.0117.08
4.3.10.0020.0107.06
4.3.00.0050.00927.33

preferences:
48.25 ms | 401 KiB | 5 Q