3v4l.org

run code in 300+ PHP versions simultaneously
<?php $input = Array( Array ( 'css' => 'teste' ), Array ( 'css' => 'teste2' ) ); $result = call_user_func_array("array_merge", $input); var_export($result);

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)
8.3.70.0100.00616.58
8.3.60.0100.01018.30
8.3.50.0100.00821.02
8.3.40.0040.01118.59
8.3.30.0070.00720.29
8.3.20.0040.00420.20
8.3.10.0080.00021.80
8.3.00.0040.00422.33
8.2.180.0070.01318.18
8.2.170.0040.01122.96
8.2.160.0040.01220.39
8.2.150.0040.00424.18
8.2.140.0080.00024.66
8.2.130.0130.00626.16
8.2.120.0050.00319.54
8.2.110.0060.00322.13
8.2.100.0100.00319.38
8.2.90.0000.00719.27
8.2.80.0040.00419.25
8.2.70.0070.00317.38
8.2.60.0050.00518.04
8.2.50.0040.00418.07
8.2.40.0040.00417.80
8.2.30.0000.00717.87
8.2.20.0040.00417.51
8.2.10.0050.00317.68
8.2.00.0040.00717.64
8.1.280.0100.01025.92
8.1.270.0000.00724.66
8.1.260.0000.00826.35
8.1.250.0040.00428.09
8.1.240.0030.00623.91
8.1.230.0060.00619.04
8.1.220.0030.00617.74
8.1.210.0000.00818.77
8.1.200.0060.00317.35
8.1.190.0090.00017.40
8.1.180.0000.00720.24
8.1.170.0000.00818.41
8.1.160.0000.00722.10
8.1.150.0040.00418.63
8.1.140.0000.00717.40
8.1.130.0060.00317.81
8.1.120.0040.00417.44
8.1.110.0030.00617.28
8.1.100.0030.00617.40
8.1.90.0000.00717.35
8.1.80.0050.00317.38
8.1.70.0000.00717.28
8.1.60.0040.00417.53
8.1.50.0030.00617.49
8.1.40.0030.00517.45
8.1.30.0030.00517.48
8.1.20.0090.00017.48
8.1.10.0030.00517.46
8.1.00.0000.00717.35
8.0.300.0070.00018.77
8.0.290.0070.00017.18
8.0.280.0070.00018.39
8.0.270.0070.00017.13
8.0.260.0070.00016.75
8.0.250.0000.00716.81
8.0.240.0000.00816.77
8.0.230.0000.00716.84
8.0.220.0070.00416.87
8.0.210.0000.00716.87
8.0.200.0000.00616.93
8.0.190.0080.00016.82
8.0.180.0000.00816.93
8.0.170.0030.00616.73
8.0.160.0000.00716.80
8.0.150.0000.00716.60
8.0.140.0000.00816.82
8.0.130.0050.00013.21
8.0.120.0060.00316.77
8.0.110.0040.00416.71
8.0.100.0040.00416.67
8.0.90.0000.00716.71
8.0.80.0040.01116.82
8.0.70.0000.00716.84
8.0.60.0040.00416.69
8.0.50.0000.00716.75
8.0.30.0150.00816.86
8.0.20.0110.00717.40
8.0.10.0020.00516.76
8.0.00.0090.01216.68
7.4.330.0050.00015.00
7.4.320.0000.00616.57
7.4.300.0050.00216.54
7.4.290.0030.00316.52
7.4.280.0030.00316.52
7.4.270.0080.00016.45
7.4.260.0040.00416.43
7.4.250.0000.00716.53
7.4.240.0030.00316.39
7.4.230.0050.00316.61
7.4.220.0140.01116.47
7.4.210.0050.01016.51
7.4.200.0070.00016.41
7.4.190.0070.00016.58
7.4.160.0030.01316.38
7.4.150.0060.01217.40
7.4.140.0150.00617.86
7.4.130.0050.01416.37
7.4.120.0120.00916.52
7.4.110.0120.00616.54
7.4.100.0150.00416.36
7.4.90.0070.01116.39
7.4.80.0070.01119.39
7.4.70.0100.00716.56
7.4.60.0080.00816.39
7.4.50.0050.00316.41
7.4.40.0120.00322.77
7.4.30.0100.00616.52
7.4.00.0070.00714.84
7.3.330.0020.00312.88
7.3.320.0020.00213.12
7.3.310.0030.00316.14
7.3.300.0070.00016.17
7.3.290.0030.01016.09
7.3.280.0060.01316.11
7.3.270.0040.01317.40
7.3.260.0120.00916.14
7.3.250.0100.01016.46
7.3.240.0030.01516.15
7.3.230.0070.01016.39
7.3.210.0100.00716.26
7.3.200.0140.00719.39
7.3.190.0090.00916.07
7.3.180.0110.00416.36
7.3.170.0130.00716.32
7.3.160.0130.00716.16
7.3.120.0040.01114.53
7.3.10.0070.00716.47
7.3.00.0090.00316.54
7.2.330.0060.01016.41
7.2.320.0100.00716.26
7.2.310.0130.00316.34
7.2.300.0090.00616.38
7.2.290.0090.00616.23
7.2.130.0060.00916.47
7.2.120.0110.00716.44
7.2.110.0100.00516.50
7.2.100.0100.00616.50
7.2.90.0090.00616.47
7.2.80.0090.00716.47
7.2.70.0100.00416.66
7.2.60.0100.00616.66
7.2.50.0120.00716.79
7.2.40.0070.00816.52
7.2.30.0090.00816.71
7.2.20.0100.00616.59
7.2.10.0100.00416.67
7.2.00.0060.00917.33
7.1.250.0050.00715.55
7.1.240.0090.00915.52
7.1.230.0090.00615.56
7.1.220.0060.01015.73
7.1.210.0070.01115.84
7.1.200.0070.00415.66
7.1.190.0070.00715.48
7.1.180.0080.00815.66
7.1.170.0040.01215.59
7.1.160.0090.00415.67
7.1.150.0120.00015.75
7.1.140.0070.00715.61
7.1.130.0110.00315.59
7.1.120.0120.00015.82
7.1.110.0060.00915.75
7.1.100.0100.00416.93
7.1.90.0140.00415.81
7.1.80.0070.00815.68
7.1.70.0080.00616.31
7.1.60.0100.00917.56
7.1.50.0090.00616.37
7.1.40.0090.00715.54
7.1.30.0060.01115.85
7.1.20.0110.00515.78
7.1.10.0070.00715.65
7.1.00.0090.01719.21
7.0.320.0030.01115.25
7.0.310.0040.01515.10
7.0.300.0150.00015.28
7.0.290.0140.00015.05
7.0.280.0090.00515.45
7.0.270.0100.00415.36
7.0.260.0110.00315.26
7.0.250.0000.01215.50
7.0.240.0060.01015.23
7.0.230.0230.00315.49
7.0.220.0070.01015.39
7.0.210.0120.00415.52
7.0.200.0210.00715.06
7.0.190.0000.01315.01
7.0.180.0110.00615.34
7.0.170.0150.00015.48
7.0.160.0040.00815.18
7.0.150.0100.00315.52
7.0.140.0050.04018.76
7.0.130.0150.00315.23
7.0.120.0090.00515.39
7.0.110.0080.00815.45
7.0.100.0080.00815.37
7.0.90.0150.00015.22
7.0.80.0100.00315.42
7.0.70.0130.00315.44
7.0.60.0090.04417.48
7.0.50.0090.03816.70
7.0.40.0060.03116.65
7.0.30.0210.02816.57
7.0.20.0220.02816.81
7.0.10.0140.02116.75
7.0.00.0080.03016.83
5.6.380.0110.00014.44
5.6.370.0070.00714.18
5.6.360.0170.00014.25
5.6.350.0070.00714.41
5.6.340.0060.01214.29
5.6.330.0050.00814.37
5.6.320.0100.00714.20
5.6.310.0110.00614.13
5.6.300.0060.00614.32
5.6.290.0050.01014.19
5.6.280.0090.03717.66
5.6.270.0050.01013.89
5.6.260.0070.01414.06
5.6.250.0100.00814.27
5.6.240.0110.00014.26
5.6.230.0080.00614.09
5.6.220.0080.00814.27
5.6.210.0090.04417.49
5.6.200.0100.04316.19
5.6.190.0060.04417.33
5.6.180.0210.04417.45
5.6.170.0140.03517.39
5.6.160.0070.02417.25
5.6.150.0040.02616.30
5.6.140.0050.02516.16
5.6.130.0080.04516.13
5.6.120.0050.04517.57
5.6.110.0060.05117.62
5.6.100.0100.02817.64
5.6.90.0120.03517.55
5.6.80.0060.04417.17
5.6.70.0210.03517.21
5.6.60.0120.00014.17
5.6.50.0050.01213.75
5.6.40.0100.00614.23
5.6.30.0070.00714.27
5.6.20.0110.00313.97
5.6.10.0040.00714.14
5.6.00.0030.01314.09
5.5.380.0030.00911.19
5.5.370.0070.00711.07
5.5.360.0090.00311.07
5.5.350.0230.03315.76
5.5.340.0040.04114.50
5.5.330.0140.03915.74
5.5.320.0120.03215.76
5.5.310.0190.03315.69
5.5.300.0080.04214.49
5.5.290.0120.03714.54
5.5.280.0100.04115.97
5.5.270.0060.03115.87
5.5.260.0110.04315.91
5.5.250.0090.02915.84
5.5.240.0050.02415.60
5.5.230.0060.00611.07
5.5.220.0070.00311.07
5.5.210.0040.00811.07
5.5.200.0110.00011.07
5.5.190.0070.00211.07
5.5.180.0140.00011.07
5.5.170.0120.00313.98
5.5.160.0110.00011.07
5.5.150.0060.00611.07
5.5.140.0070.00511.07
5.5.130.0100.00211.07
5.5.120.0150.00011.07
5.5.110.0040.00811.07
5.5.100.0040.00411.07
5.5.90.0090.00411.07
5.5.80.0040.00711.07
5.5.70.0030.00611.07
5.5.60.0040.00711.07
5.5.50.0080.00011.07
5.5.40.0030.01011.07
5.5.30.0100.00311.07
5.5.20.0120.00011.07
5.5.10.0090.00411.07
5.5.00.0080.00611.07
5.4.450.0200.03115.27
5.4.440.0210.02715.29
5.4.430.0080.04015.08
5.4.420.0120.03715.19
5.4.410.0080.03115.01
5.4.400.0370.03214.90
5.4.390.0190.03314.93
5.4.380.0170.02514.84
5.4.370.0140.02914.90
5.4.360.0170.02514.88
5.4.350.0050.02111.53
5.4.340.0110.02611.52
5.4.330.0060.00611.07
5.4.320.0050.02411.76
5.4.310.0080.01811.76
5.4.300.0080.01911.76
5.4.290.0060.02011.76
5.4.280.0040.02111.71
5.4.270.0050.02511.71
5.4.260.0060.02111.71
5.4.250.0110.02815.03
5.4.240.0120.02714.96
5.4.230.0070.04214.90
5.4.220.0110.02514.92
5.4.210.0070.04014.91
5.4.200.0150.03215.05
5.4.190.0100.03814.97
5.4.180.0050.03414.88
5.4.170.0090.02715.04
5.4.160.0120.02214.88
5.4.150.0090.03014.97
5.4.140.0070.02813.67
5.4.130.0060.04013.64
5.4.120.0020.03213.64
5.4.110.0060.02913.68
5.4.100.0100.02513.67
5.4.90.0090.02813.82
5.4.80.0130.01813.74
5.4.70.0070.02713.76
5.4.60.0030.04313.70
5.4.50.0130.02313.74
5.4.40.0100.02313.69
5.4.30.0100.03613.65
5.4.20.0140.02013.62
5.4.10.0020.03313.69
5.4.00.0090.03413.44
5.3.290.0050.02111.94
5.3.280.0080.03412.77
5.3.270.0100.03812.84
5.3.260.0100.03712.69
5.3.250.0080.03912.84
5.3.240.0120.02312.88
5.3.230.0070.03012.76
5.3.220.0060.03812.82
5.3.210.0060.03212.67
5.3.200.0090.03212.74
5.3.190.0080.02812.84
5.3.180.0170.01812.83
5.3.170.0140.03212.82
5.3.160.0140.02112.74
5.3.150.0080.02812.83
5.3.140.0100.03212.82
5.3.130.0050.03112.84
5.3.120.0070.03212.74
5.3.110.0070.02712.74
5.3.100.0050.02812.44
5.3.90.0070.02912.55
5.3.80.0030.03812.55
5.3.70.0060.02812.50
5.3.60.0110.03412.47
5.3.50.0070.02812.44
5.3.40.0060.02812.45
5.3.30.0050.03212.51
5.3.20.0100.02712.23
5.3.10.0050.03012.21
5.3.00.0100.03312.32
5.2.170.0080.02711.11
5.2.160.0090.02711.07
5.2.150.0100.02311.11
5.2.140.0090.02411.15
5.2.130.0050.02311.09
5.2.120.0130.01511.09
5.2.110.0080.02011.08
5.2.100.0110.02511.05
5.2.90.0120.02311.14
5.2.80.0080.02811.02
5.2.70.0030.03111.13
5.2.60.0080.02011.06
5.2.50.0100.02011.05
5.2.40.0070.02011.00
5.2.30.0090.02311.10
5.2.20.0060.02410.93
5.2.10.0090.01811.00
5.2.00.0060.03110.93
5.1.60.0080.01710.56
5.1.50.0040.02210.55
5.1.40.0040.01910.49
5.1.30.0070.01910.71
5.1.20.0100.02210.68
5.1.10.0100.01810.64
5.1.00.0050.02210.53
5.0.50.0050.0179.84
5.0.40.0050.0209.86
5.0.30.0040.0279.59
5.0.20.0050.0179.63
5.0.10.0040.0159.66
5.0.00.0030.0229.63
4.4.90.0070.0089.26
4.4.80.0050.0109.26
4.4.70.0040.0159.26
4.4.60.0040.0129.26
4.4.50.0030.0129.26
4.4.40.0010.0219.26
4.4.30.0010.0169.26
4.4.20.0030.0129.26
4.4.10.0050.0119.26
4.4.00.0050.0229.26
4.3.110.0070.0149.26
4.3.100.0030.0159.26
4.3.90.0000.0199.26
4.3.80.0050.0179.26
4.3.70.0030.0139.26
4.3.60.0040.0109.26
4.3.50.0040.0149.26
4.3.40.0050.0179.26
4.3.30.0010.0149.26
4.3.20.0060.0109.26
4.3.10.0020.0159.26
4.3.00.0070.0128.98

preferences:
46.1 ms | 401 KiB | 5 Q