3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = array(1, 2); $b = array(1, 7); $c = array_merge($a, $b); var_dump($c);

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)
8.3.60.0110.00716.63
8.3.50.0120.00718.26
8.3.40.0070.00718.54
8.3.30.0060.01318.53
8.3.20.0000.00818.52
8.3.10.0080.00018.65
8.3.00.0000.00819.26
8.2.180.0080.00618.15
8.2.170.0100.01022.96
8.2.160.0110.00418.69
8.2.150.0000.00724.18
8.2.140.0050.00324.66
8.2.130.0040.00426.16
8.2.120.0040.00419.63
8.2.110.0060.00619.45
8.2.100.0080.00317.91
8.2.90.0040.00417.84
8.2.80.0000.00817.97
8.2.70.0040.00417.49
8.2.60.0030.00617.91
8.2.50.0000.00817.68
8.2.40.0040.00419.22
8.2.30.0030.00617.65
8.2.20.0070.00217.53
8.2.10.0000.00717.68
8.2.00.0000.00717.60
8.1.280.0100.01025.92
8.1.270.0030.00623.99
8.1.260.0080.00026.35
8.1.250.0040.00428.09
8.1.240.0100.00020.75
8.1.230.0000.01122.13
8.1.220.0030.00517.77
8.1.210.0080.00018.77
8.1.200.0040.00417.23
8.1.190.0000.00817.23
8.1.180.0030.00518.10
8.1.170.0040.00417.62
8.1.160.0040.00419.04
8.1.150.0050.00318.48
8.1.140.0000.00817.44
8.1.130.0030.00519.17
8.1.120.0040.00417.36
8.1.110.0000.00717.40
8.1.100.0040.00417.29
8.1.90.0040.00417.30
8.1.80.0030.00317.45
8.1.70.0030.00317.38
8.1.60.0060.00317.41
8.1.50.0040.00417.32
8.1.40.0000.00817.41
8.1.30.0070.00317.48
8.1.20.0000.00917.43
8.1.10.0040.00417.42
8.1.00.0030.00517.39
8.0.300.0040.00419.86
8.0.290.0060.00616.63
8.0.280.0040.00418.44
8.0.270.0050.00317.21
8.0.260.0060.00016.74
8.0.250.0070.00016.88
8.0.240.0000.00716.90
8.0.230.0030.00516.79
8.0.220.0030.00516.88
8.0.210.0070.00016.70
8.0.200.0000.00816.76
8.0.190.0080.00016.85
8.0.180.0040.00416.85
8.0.170.0040.00416.74
8.0.160.0060.00316.90
8.0.150.0020.00516.68
8.0.140.0040.00416.79
8.0.130.0000.00613.24
8.0.120.0030.00616.76
8.0.110.0040.00316.76
8.0.100.0070.00016.69
8.0.90.0030.00316.63
8.0.80.0030.01616.69
8.0.70.0080.00016.70
8.0.60.0000.00816.80
8.0.50.0000.00716.71
8.0.30.0060.01216.67
8.0.20.0060.01316.86
8.0.10.0000.00716.72
8.0.00.0110.00716.83
7.4.330.0030.00312.93
7.4.320.0030.00316.36
7.4.300.0000.00616.42
7.4.290.0000.00716.43
7.4.280.0040.00416.42
7.4.270.0070.00016.47
7.4.260.0030.00313.21
7.4.250.0000.00816.42
7.4.240.0030.00316.38
7.4.230.0000.00716.39
7.4.220.0130.00616.62
7.4.210.0070.01416.61
7.4.200.0070.00016.63
7.4.190.0040.00416.59
7.4.160.0060.01116.53
7.4.150.0130.00416.39
7.4.140.0160.00317.86
7.4.130.0090.00916.49
7.4.120.0070.01516.46
7.4.110.0100.00716.30
7.4.100.0060.01016.48
7.4.90.0130.00316.54
7.4.80.0090.00619.39
7.4.70.0080.00816.33
7.4.60.0120.00916.24
7.4.50.0050.00016.32
7.4.40.0070.01116.32
7.4.30.0130.00316.22
7.4.00.0090.00614.71
7.3.330.0030.00313.02
7.3.320.0030.00312.89
7.3.310.0040.00416.07
7.3.300.0000.00816.08
7.3.290.0070.01216.12
7.3.280.0100.01116.06
7.3.270.0070.01016.34
7.3.260.0070.01016.44
7.3.240.0090.01216.52
7.3.230.0110.01216.06
7.3.210.0100.00616.03
7.3.200.0120.00416.16
7.3.190.0030.01216.36
7.3.180.0070.01016.18
7.3.170.0030.01216.17
7.3.160.0080.00816.19
7.3.120.0070.01114.70
7.2.330.0120.00616.27
7.2.320.0060.01116.32
7.2.310.0130.00616.35
7.2.300.0070.01016.39
7.2.290.0070.01016.55
7.2.00.0070.00719.40
7.1.100.0000.01217.96
7.1.70.0000.00716.95
7.1.60.0030.02119.21
7.1.50.0070.01416.91
7.1.00.0000.04722.57
7.0.200.0070.00316.36
7.0.140.0070.07021.95
7.0.120.0030.04322.08
7.0.60.0030.08321.71
7.0.50.0000.05717.78
7.0.40.3600.04320.07
7.0.30.3770.04320.09
7.0.20.4130.04720.20
7.0.10.4100.03720.09
7.0.00.4130.04320.32
5.6.280.0030.07021.01
5.6.210.0100.07020.54
5.6.200.0170.07718.22
5.6.190.4070.03720.41
5.6.180.3230.04720.48
5.6.170.4130.03720.52
5.6.160.3630.04320.51
5.6.150.3900.04320.46
5.6.140.0100.05720.35
5.6.130.1000.04720.21
5.6.120.1300.04720.46
5.6.110.0000.09020.38
5.6.100.3930.04020.20
5.6.90.3670.04020.36
5.6.80.3970.03719.77
5.6.70.4130.04019.52
5.6.60.4300.04719.49
5.6.50.4200.04319.74
5.6.40.3330.04719.66
5.6.30.3270.04319.61
5.6.20.4270.04019.64
5.6.10.3030.04719.64
5.6.00.5100.03319.73
5.5.350.0030.06720.43
5.5.340.0170.07018.02
5.5.330.1230.05320.20
5.5.320.3400.03720.50
5.5.310.4230.04020.29
5.5.300.0100.05720.15
5.5.290.3970.04020.04
5.5.280.0100.08320.15
5.5.270.0070.08320.30
5.5.260.4330.03320.05
5.5.250.3430.03719.83
5.5.240.4130.04019.65
5.5.230.4100.04319.38
5.5.220.3330.03319.48
5.5.210.4030.03319.45
5.5.200.3930.03319.37
5.5.190.3930.04319.61
5.5.180.3330.03319.46
5.5.160.4030.04019.45
5.5.150.3270.04719.39
5.5.140.3630.03719.40
5.5.130.3470.04019.52
5.5.120.3370.03719.38
5.5.110.3900.04019.43
5.5.100.3600.03319.29
5.5.90.3500.03319.34
5.5.80.3470.04319.27
5.5.70.3870.03719.39
5.5.60.4330.04019.25
5.5.50.4070.03019.25
5.5.40.4100.04719.50
5.5.30.4230.04019.25
5.5.20.3430.03019.30
5.5.10.4030.04319.35
5.5.00.4170.04319.41
5.4.450.3430.03719.18
5.4.440.0030.07319.21
5.4.430.1730.05319.41
5.4.420.4070.03319.53
5.4.410.4270.03719.32
5.4.400.0030.07718.96
5.4.390.3930.03719.14
5.4.380.3600.03319.04
5.4.370.4200.04319.04
5.4.360.4200.03318.99
5.4.350.3400.03018.99
5.4.340.4200.03718.96
5.4.320.3330.04018.99
5.4.310.4470.03018.89
5.4.300.3700.03718.96
5.4.290.3470.03319.12
5.4.280.3700.03018.99
5.4.270.3470.04318.99
5.4.260.3300.03719.20
5.4.250.3730.04018.98
5.4.240.3830.03718.98
5.4.230.3400.03718.98
5.4.220.4100.03718.99
5.4.210.4100.04019.03
5.4.200.5200.03718.95
5.4.190.3930.03318.98
5.4.180.3330.03718.96
5.4.170.4100.04019.10
5.4.160.4170.04018.87
5.4.150.4530.03018.93
5.4.140.4000.02716.33
5.4.130.3100.04016.33
5.4.120.2570.03716.48
5.4.110.3300.03716.36
5.4.100.3370.03716.25
5.4.90.2900.03016.29
5.4.80.3000.03316.21
5.4.70.3300.03316.51
5.4.60.3330.03016.15
5.4.50.3270.02716.25
5.4.40.3300.03716.38
5.4.30.3770.03316.20
5.4.20.3570.03316.30
5.4.10.3570.03716.59
5.4.00.3670.03715.79
5.3.290.3770.04014.61
5.3.280.4230.04014.37
5.3.270.3500.03714.54
5.3.260.4070.03014.58
5.3.250.4270.03714.44
5.3.240.3870.03014.58
5.3.230.1830.02714.59
5.3.220.3970.02714.52
5.3.210.3330.03314.64
5.3.200.3430.03014.48
5.3.190.3400.04014.53
5.3.180.3300.04014.48
5.3.170.3430.03014.53
5.3.160.3100.04014.34
5.3.150.3300.03014.55
5.3.140.3230.03314.54
5.3.130.3530.03714.41
5.3.120.3270.03014.39
5.3.110.3770.04714.51
5.3.100.3430.03714.01
5.3.90.4230.02313.88
5.3.80.4170.02713.98
5.3.70.3900.03313.97
5.3.60.4230.04013.94
5.3.50.4070.03013.87
5.3.40.3400.04013.94
5.3.30.3730.02713.87
5.3.20.3730.04013.63
5.3.10.3330.03013.59
5.3.00.3530.03313.60
5.2.170.3600.02711.15
5.2.160.3000.03311.11
5.2.150.3030.03011.12
5.2.140.2830.02711.11
5.2.130.2730.02310.93
5.2.120.3100.03311.09
5.2.110.3030.02711.02
5.2.100.2800.03310.93
5.2.90.2730.03311.05
5.2.80.3100.03011.02
5.2.70.3600.02711.08
5.2.60.3000.02010.82
5.2.50.3500.03011.00
5.2.40.2730.02310.97
5.2.30.2970.03010.75
5.2.20.2700.03010.81
5.2.10.2500.02710.80
5.2.00.2730.03010.72
5.1.60.2630.0239.95
5.1.50.2430.0279.98
5.1.40.2370.0239.90
5.1.30.2230.02710.39
5.1.20.2770.02010.30
5.1.10.2570.02710.04
5.1.00.3030.02310.04
5.0.50.0030.0238.61
5.0.40.0000.0438.34
5.0.30.0030.0678.19
5.0.20.0030.0478.40
5.0.10.0000.0278.13
5.0.00.0000.0378.23
4.4.90.1470.0135.82
4.4.80.1530.0175.85
4.4.70.1730.0205.78
4.4.60.1430.0175.88
4.4.50.1600.0075.82
4.4.40.1430.0305.89
4.4.30.1570.0175.86
4.4.20.1700.0205.95
4.4.10.1730.0175.85
4.4.00.0100.0505.79
4.3.110.0030.0375.83
4.3.100.0000.0335.73
4.3.90.0030.0135.70
4.3.80.0700.0275.79
4.3.70.1700.0135.70
4.3.60.1670.0175.69
4.3.50.1670.0175.74
4.3.40.1670.0275.76
4.3.30.0870.0174.99
4.3.20.0830.0174.99
4.3.10.0930.0234.99
4.3.00.0770.0174.99

preferences:
40.71 ms | 401 KiB | 5 Q