3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = array(10, 11, 12); $b = array(20, 21, 22, 23); $c = array('a' => 'a', 'b' => 'b', 'c' => 'c'); $d = array('v' => 'v', 'x' => 'x', 'y' => 'y', 'z' => 'z'); $r10 = $a + $b; $r11 = $b + $a; $r12 = array_merge($a, $b); $r13 = array_merge($b, $a); $r20 = $c + $d; $r21 = $d + $c; $r22 = array_merge($c, $d); $r23 = array_merge($d, $c); var_dump($r10); var_dump($r11); var_dump($r12); var_dump($r13); var_dump($r20); var_dump($r21); var_dump($r22); var_dump($r23);

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)
8.3.60.0070.01118.55
8.3.50.0100.01021.89
8.3.40.0070.00718.67
8.3.30.0100.01018.73
8.3.20.0050.00320.34
8.3.10.0070.00320.52
8.3.00.0040.00419.44
8.2.180.0100.01016.50
8.2.170.0070.01022.96
8.2.160.0090.00920.39
8.2.150.0040.00424.18
8.2.140.0040.00424.66
8.2.130.0040.00426.16
8.2.120.0080.00022.06
8.2.110.0060.00320.47
8.2.100.0110.00618.16
8.2.90.0030.00619.18
8.2.80.0070.00317.97
8.2.70.0030.00617.50
8.2.60.0040.00417.80
8.2.50.0040.00418.07
8.2.40.0040.00418.22
8.2.30.0070.00019.29
8.2.20.0000.00717.68
8.2.10.0040.00418.08
8.2.00.0000.00817.66
8.1.280.0120.00325.92
8.1.270.0040.00421.95
8.1.260.0030.00526.35
8.1.250.0040.00428.09
8.1.240.0030.00623.64
8.1.230.0060.00619.07
8.1.220.0050.00317.74
8.1.210.0060.00318.77
8.1.200.0030.00717.22
8.1.190.0000.00817.22
8.1.180.0050.00318.10
8.1.170.0040.00418.46
8.1.160.0040.00421.82
8.1.150.0070.00018.73
8.1.140.0050.00317.33
8.1.130.0080.00017.72
8.1.120.0000.00717.28
8.1.110.0000.00817.32
8.1.100.0000.00717.37
8.1.90.0000.00717.42
8.1.80.0030.00317.28
8.1.70.0030.00317.32
8.1.60.0070.00317.57
8.1.50.0040.00417.37
8.1.40.0040.00417.36
8.1.30.0050.00317.43
8.1.20.0050.00517.62
8.1.10.0040.00417.47
8.1.00.0040.00417.41
8.0.300.0080.00018.77
8.0.290.0040.00416.75
8.0.280.0030.00318.42
8.0.270.0000.00717.19
8.0.260.0030.00317.19
8.0.250.0040.00416.94
8.0.240.0070.00016.86
8.0.230.0040.00416.95
8.0.220.0030.00316.91
8.0.210.0000.00816.91
8.0.200.0080.00017.00
8.0.190.0000.00816.90
8.0.180.0000.00716.90
8.0.170.0060.00316.80
8.0.160.0070.00016.91
8.0.150.0000.00816.71
8.0.140.0040.00316.67
8.0.130.0000.00513.31
8.0.120.0000.00816.75
8.0.110.0000.00816.86
8.0.100.0040.00416.75
8.0.90.0050.00216.88
8.0.80.0090.00916.77
8.0.70.0040.00416.93
8.0.60.0070.00016.80
8.0.50.0030.00516.83
8.0.30.0110.01116.96
8.0.20.0140.00717.40
8.0.10.0040.00416.83
8.0.00.0090.00916.68
7.4.330.0050.00015.02
7.4.320.0030.00316.51
7.4.300.0000.00716.54
7.4.290.0040.00416.51
7.4.280.0040.00416.41
7.4.270.0000.00816.52
7.4.260.0070.00016.46
7.4.250.0040.00416.50
7.4.240.0050.00316.41
7.4.230.0050.00316.55
7.4.220.0100.00716.44
7.4.210.0130.01016.48
7.4.200.0040.00416.47
7.4.160.0060.01016.37
7.4.150.0120.00917.40
7.4.140.0110.00917.86
7.4.130.0150.00816.53
7.4.120.0120.00816.46
7.4.110.0120.00616.42
7.4.100.0150.00616.40
7.4.90.0180.00016.28
7.4.80.0140.00516.43
7.4.70.0140.00316.25
7.4.60.0040.01416.52
7.4.50.0030.00616.16
7.4.40.0120.00616.46
7.4.30.0030.01316.51
7.4.10.0060.01214.93
7.4.00.0050.01214.71
7.3.330.0000.00613.18
7.3.320.0050.00013.09
7.3.310.0040.00416.05
7.3.300.0070.00016.23
7.3.290.0070.00716.23
7.3.280.0060.00916.22
7.3.270.0170.00317.40
7.3.260.0130.00716.46
7.3.250.0070.01116.31
7.3.240.0100.00716.16
7.3.230.0130.01016.39
7.3.210.0100.01016.13
7.3.200.0040.01619.39
7.3.190.0120.00816.48
7.3.180.0140.00316.12
7.3.170.0100.01016.43
7.3.160.0140.00716.18
7.3.130.0070.01214.64
7.3.120.0080.00814.72
7.3.110.0030.01414.64
7.3.100.0070.00814.93
7.3.90.0020.01314.89
7.3.80.0030.01114.58
7.3.70.0080.00814.59
7.3.60.0050.00814.79
7.3.50.0000.01414.77
7.3.40.0070.00514.82
7.3.30.0060.00814.80
7.3.20.0060.00416.34
7.3.10.0070.00916.60
7.3.00.0100.00516.61
7.2.330.0080.01216.49
7.2.320.0140.00516.46
7.2.310.0100.01016.60
7.2.300.0140.00416.57
7.2.290.0160.00816.57
7.2.260.0100.00614.86
7.2.250.0050.01314.83
7.2.240.0080.00814.95
7.2.230.0060.01014.77
7.2.220.0050.00614.86
7.2.210.0080.00915.08
7.2.200.0070.00714.93
7.2.190.0060.00814.80
7.2.180.0040.00914.98
7.2.170.0010.01114.78
7.2.160.0070.00814.89
7.2.150.0060.01016.65
7.2.140.0030.01016.67
7.2.130.0020.01116.86
7.2.120.0060.00916.90
7.2.110.0070.00816.73
7.2.100.0090.00916.81
7.2.90.0080.00816.85
7.2.80.0070.00616.92
7.2.70.0050.00716.70
7.2.60.0080.00716.91
7.2.50.0070.00416.84
7.2.40.0030.01216.78
7.2.30.0070.00816.83
7.2.20.0050.00816.76
7.2.10.0030.00916.81
7.2.00.0070.01116.69
7.1.330.0060.00815.78
7.1.320.0050.01115.83
7.1.310.0050.00915.61
7.1.300.0080.00515.71
7.1.290.0020.00815.75
7.1.280.0110.00215.52
7.1.270.0050.00915.73
7.1.260.0040.01015.64
7.1.250.0070.00515.84
7.1.240.0020.01015.69
7.1.230.0100.00915.83
7.1.220.0030.00915.51
7.1.210.0040.00715.61
7.1.200.0050.00915.84
7.1.190.0030.00915.69
7.1.180.0060.00615.79
7.1.170.0050.00415.89
7.1.160.0020.01215.66
7.1.150.0050.00815.80
7.1.140.0030.01215.62
7.1.130.0060.00615.79
7.1.120.0050.01115.83
7.1.110.0050.00915.63
7.1.100.0050.01115.62
7.1.90.0110.00215.78
7.1.80.0040.00715.86
7.1.70.0030.00716.25
7.1.60.0070.00916.95
7.1.50.0130.00822.18
7.1.40.0090.00415.70
7.1.30.0060.00815.54
7.1.20.0050.00815.76
7.1.10.0060.00815.83
7.1.00.0090.02617.95
7.0.330.0070.00515.46
7.0.320.0040.00815.57
7.0.310.0030.00815.27
7.0.300.0050.00715.40
7.0.290.0070.00715.29
7.0.280.0070.00715.12
7.0.270.0060.00915.38
7.0.260.0070.00415.39
7.0.250.0060.00615.34
7.0.240.0060.00815.50
7.0.230.0060.00815.38
7.0.220.0050.00515.24
7.0.210.0030.00715.47
7.0.200.0030.00715.66
7.0.190.0040.01115.45
7.0.180.0040.00615.29
7.0.170.0060.00715.41
7.0.160.0050.00615.36
7.0.150.0080.00415.31
7.0.140.0080.02817.54
7.0.130.0020.01315.31
7.0.120.0050.00515.30
7.0.110.0060.00615.52
7.0.100.0080.00515.50
7.0.90.0120.00115.13
7.0.80.0040.00615.54
7.0.70.0050.00715.28
7.0.60.0080.02516.81
7.0.50.0050.02816.08
7.0.40.0080.03215.76
7.0.30.0110.02015.64
7.0.20.0080.02515.63
7.0.10.0030.02015.63
7.0.00.0040.02215.61
5.6.400.0040.01014.11
5.6.390.0000.00914.24
5.6.380.0080.00314.40
5.6.370.0020.01214.28
5.6.360.0040.01114.41
5.6.350.0050.00814.15
5.6.340.0080.00614.29
5.6.330.0030.01214.33
5.6.320.0100.00214.23
5.6.310.0070.00714.30
5.6.300.0070.00714.31
5.6.290.0040.01014.13
5.6.280.0080.02716.56
5.6.270.0050.00614.41
5.6.260.0070.00914.21
5.6.250.0030.01014.30
5.6.240.0030.01414.32
5.6.230.0050.00714.29
5.6.220.0010.01114.08
5.6.210.0030.02116.48
5.6.200.0050.03015.52
5.6.190.0090.02916.30
5.6.180.1350.01616.31
5.6.170.0120.02116.34
5.6.160.0040.03416.35
5.6.150.0050.02215.47
5.6.140.0100.02015.48
5.6.130.0060.02415.66
5.6.120.0050.02016.59
5.6.110.0100.02816.44
5.6.100.0060.03316.61
5.6.90.0100.03016.62
5.6.80.0070.03016.27
5.6.70.0170.02816.21
5.6.60.0050.00914.04
5.6.50.0040.00914.25
5.6.40.0040.01114.25
5.6.30.0020.00914.41
5.6.20.0030.00814.26
5.6.10.0060.00714.09
5.6.00.0030.01214.16
5.5.380.0040.01014.19
5.5.370.0060.00614.19
5.5.360.0050.00814.03
5.5.350.0090.02316.24
5.5.340.0040.03415.58
5.5.330.0060.03516.13
5.5.320.0180.01716.31
5.5.310.0100.02516.05
5.5.300.0080.01715.44
5.5.290.0080.03015.34
5.5.280.0060.03216.44
5.5.270.0090.02916.35
5.5.260.0090.03116.43
5.5.250.0080.03416.29
5.5.240.0150.02816.05
5.5.230.0030.00914.07
5.5.220.0090.00514.03
5.5.210.0020.01214.19
5.5.200.0070.00514.02
5.5.190.0070.00514.12
5.5.180.0060.00614.27
5.5.170.0100.00314.06
5.5.160.0090.00514.20
5.5.150.0090.00613.89
5.5.140.0080.00214.09
5.5.130.0030.01214.07
5.5.120.0060.00614.00
5.5.110.0030.01014.22
5.5.100.0060.00714.19
5.5.90.0060.00814.05
5.5.80.0070.00914.15
5.5.70.0080.01014.10
5.5.60.0080.01013.87
5.5.50.0050.00914.11
5.5.40.0040.01014.21
5.5.30.0090.00514.14
5.5.20.0060.00814.02
5.5.10.0030.01114.13
5.5.00.0060.00913.85
5.4.450.0340.02713.72
5.4.440.0300.02413.88
5.4.430.0260.02113.84
5.4.420.0430.02913.85
5.4.410.0370.02413.73
5.4.400.0280.02013.68
5.4.390.0280.02013.62
5.4.380.0210.02613.48
5.4.370.0110.02113.43
5.4.360.0240.02413.48
5.4.350.0150.02913.38
5.4.340.0150.02013.41
5.4.330.0050.00510.76
5.4.320.0050.01611.42
5.4.310.0020.02011.37
5.4.300.0030.02011.43
5.4.290.0070.01711.35
5.4.280.0050.01811.28
5.4.270.0030.01811.30
5.4.260.0030.01711.31
5.4.250.0060.01711.45
5.4.240.0070.01611.45
5.4.230.0080.01611.33
5.4.220.0040.01911.48
5.4.210.0050.01711.36
5.4.200.0070.01711.33
5.4.190.0050.01711.25
5.4.180.0060.01811.38
5.4.170.0080.01511.36
5.4.160.0040.01711.27
5.4.150.0060.01611.21
5.4.140.0050.01811.22
5.4.130.0070.01511.31
5.4.120.0080.01711.22
5.4.110.0080.01411.20
5.4.100.0060.01611.23
5.4.90.0060.01611.32
5.4.80.0060.01711.18
5.4.70.0050.01611.33
5.4.60.0040.01611.21
5.4.50.0040.01611.29
5.4.40.0040.01711.20
5.4.30.0040.01811.23
5.4.20.0060.01611.22
5.4.10.0040.01711.19
5.4.00.0040.01811.17
5.3.290.0060.04012.80
5.3.280.0070.03712.71
5.3.270.0110.03812.72
5.3.260.0040.04112.72
5.3.250.0070.03912.72
5.3.240.0080.03712.72
5.3.230.0100.03412.71
5.3.220.0100.04012.68
5.3.210.0030.04712.68
5.3.200.0060.03912.68
5.3.190.0070.04112.68
5.3.180.0050.04312.67
5.3.170.0070.03512.67
5.3.160.0060.04412.68
5.3.150.0100.03512.68
5.3.140.0070.04012.66
5.3.130.0110.03912.66
5.3.120.0090.04112.66
5.3.110.0080.04312.66
5.3.100.0080.03812.12
5.3.90.0100.04012.09
5.3.80.0120.03112.07
5.3.70.0090.03412.08
5.3.60.0040.03812.07
5.3.50.0060.03612.00
5.3.40.0070.03712.00
5.3.30.0090.03411.96
5.3.20.0080.03711.73
5.3.10.0080.03311.70
5.3.00.0050.04211.69
5.2.170.0050.0319.19
5.2.160.0120.0259.19
5.2.150.0060.0309.19
5.2.140.0050.0419.18
5.2.130.0070.0329.14
5.2.120.0140.0309.14
5.2.110.0060.0349.15
5.2.100.0070.0319.15
5.2.90.0050.0299.15
5.2.80.0040.0349.14
5.2.70.0060.0369.15
5.2.60.0070.0329.09
5.2.50.0080.0289.07
5.2.40.0050.0299.04
5.2.30.0100.0309.02
5.2.20.0090.0259.01
5.2.10.0020.0318.93
5.2.00.0060.0278.79
5.1.60.0070.0218.08
5.1.50.0020.0308.07
5.1.40.0060.0298.05
5.1.30.0100.0308.40
5.1.20.0050.0278.43
5.1.10.0070.0248.15
5.1.00.0040.0278.15
5.0.50.0060.0206.64
5.0.40.0030.0206.50
5.0.30.0030.0336.31
5.0.20.0060.0176.28
5.0.10.0030.0206.25
5.0.00.0050.0296.25
4.4.90.0010.0214.77
4.4.80.0020.0184.75
4.4.70.0030.0164.75
4.4.60.0050.0144.75
4.4.50.0040.0154.77
4.4.40.0040.0254.71
4.4.30.0030.0164.76
4.4.20.0040.0154.84
4.4.10.0050.0144.84
4.4.00.0010.0284.76
4.3.110.0020.0164.67
4.3.100.0050.0134.66
4.3.90.0040.0134.64
4.3.80.0040.0324.59
4.3.70.0050.0214.63
4.3.60.0050.0134.63
4.3.50.0040.0154.63
4.3.40.0020.0254.54
4.3.30.0030.0163.30
4.3.20.0030.0183.28
4.3.10.0030.0183.24
4.3.00.0270.0208.16

preferences:
84.23 ms | 401 KiB | 5 Q