3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = array(array(1,2,3,4)); $b = array('status' => 0); $c = array_merge($a, $b); echo var_dump($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)
8.3.60.0140.00716.50
8.3.50.0170.00521.91
8.3.40.0070.00718.71
8.3.30.0120.00618.84
8.3.20.0000.00720.09
8.3.10.0050.00321.77
8.3.00.0090.00419.25
8.2.180.0090.00918.02
8.2.170.0130.00722.96
8.2.160.0120.00320.34
8.2.150.0080.00024.18
8.2.140.0040.00424.66
8.2.130.0000.00826.16
8.2.120.0090.00019.23
8.2.110.0040.00419.06
8.2.100.0040.00917.63
8.2.90.0030.00519.22
8.2.80.0000.00817.97
8.2.70.0030.00617.47
8.2.60.0080.00017.91
8.2.50.0040.00418.07
8.2.40.0030.00618.09
8.2.30.0070.00017.99
8.2.20.0080.00017.73
8.2.10.0070.00017.97
8.2.00.0050.00317.65
8.1.280.0130.00725.92
8.1.270.0110.00720.38
8.1.260.0040.00426.35
8.1.250.0000.00728.09
8.1.240.0060.00322.01
8.1.230.0080.00317.64
8.1.220.0050.00317.74
8.1.210.0040.00418.77
8.1.200.0000.00817.23
8.1.190.0000.00817.23
8.1.180.0030.00618.10
8.1.170.0060.00320.44
8.1.160.0070.00022.05
8.1.150.0070.00018.73
8.1.140.0000.00717.24
8.1.130.0000.00717.78
8.1.120.0040.00417.29
8.1.110.0000.00717.37
8.1.100.0040.00417.34
8.1.90.0000.00717.28
8.1.80.0040.00417.37
8.1.70.0030.00317.27
8.1.60.0060.00317.52
8.1.50.0000.00717.44
8.1.40.0030.00617.39
8.1.30.0030.00517.64
8.1.20.0050.00317.59
8.1.10.0040.00417.46
8.1.00.0000.00817.45
8.0.300.0040.00418.77
8.0.290.0060.00316.63
8.0.280.0040.00418.41
8.0.270.0030.00317.29
8.0.260.0030.00317.18
8.0.250.0000.00716.91
8.0.240.0040.00416.93
8.0.230.0030.00316.92
8.0.220.0070.00016.85
8.0.210.0030.00316.77
8.0.200.0030.00316.87
8.0.190.0080.00016.87
8.0.180.0040.00416.84
8.0.170.0050.00316.80
8.0.160.0000.00816.70
8.0.150.0030.00616.86
8.0.140.0000.00916.82
8.0.130.0000.00513.13
8.0.120.0000.00816.79
8.0.110.0050.00216.76
8.0.100.0080.00016.65
8.0.90.0000.00816.71
8.0.80.0080.00816.88
8.0.70.0050.00216.90
8.0.60.0000.00716.79
8.0.50.0070.00016.70
8.0.30.0100.01116.86
8.0.20.0090.01217.40
8.0.10.0030.00616.99
8.0.00.0130.00716.70
7.4.330.0030.00315.03
7.4.320.0000.00716.45
7.4.300.0030.00316.42
7.4.290.0070.00016.45
7.4.280.0080.00016.42
7.4.270.0000.00616.52
7.4.260.0070.00016.48
7.4.250.0040.00416.45
7.4.240.0050.00216.47
7.4.230.0030.00316.56
7.4.220.0110.00716.53
7.4.210.0080.00716.44
7.4.200.0000.00716.53
7.4.160.0090.00616.43
7.4.150.0070.01317.40
7.4.140.0120.01017.86
7.4.130.0130.01016.36
7.4.120.0090.00716.36
7.4.110.0130.00516.42
7.4.100.0110.00816.59
7.4.90.0130.00416.43
7.4.80.0040.01419.39
7.4.70.0030.01316.38
7.4.60.0060.00916.33
7.4.50.0000.00516.42
7.4.40.0120.00616.43
7.4.30.0160.00616.35
7.4.00.0090.00715.05
7.3.330.0030.00312.97
7.3.320.0120.00012.97
7.3.310.0000.00716.06
7.3.300.0030.00315.96
7.3.290.0030.00316.00
7.3.280.0050.01216.13
7.3.270.0130.00417.40
7.3.260.0110.00616.54
7.3.250.0060.01116.12
7.3.240.0160.00616.50
7.3.230.0090.00916.39
7.3.210.0080.00816.35
7.3.200.0000.01719.39
7.3.190.0060.01016.45
7.3.180.0100.00616.41
7.3.170.0100.00716.30
7.3.160.0140.00616.38
7.3.120.0090.00914.66
7.3.110.0070.01014.85
7.3.100.0140.00014.59
7.3.90.0090.00614.88
7.3.80.0090.00614.74
7.3.70.0000.00914.76
7.3.60.0090.00614.66
7.3.50.0040.01114.45
7.3.40.0000.01214.76
7.3.30.0070.00714.63
7.3.20.0070.00716.63
7.3.10.0050.00916.33
7.3.00.0040.00916.24
7.2.330.0070.01016.68
7.2.320.0170.00616.39
7.2.310.0060.01516.78
7.2.300.0130.00916.36
7.2.290.0160.00616.64
7.2.250.0070.01114.76
7.2.240.0070.01314.54
7.2.230.0030.01015.18
7.2.220.0070.00315.18
7.2.210.0060.00914.77
7.2.200.0060.00614.73
7.2.190.0030.01314.66
7.2.180.0030.00615.08
7.2.170.0000.01315.17
7.2.130.0070.00716.89
7.2.120.0110.00016.82
7.2.110.0040.00816.69
7.2.100.0070.00316.89
7.2.90.0030.00616.87
7.2.80.0040.01116.79
7.2.70.0040.00816.71
7.2.60.0080.00416.83
7.2.50.0040.01116.86
7.2.40.0060.00616.60
7.2.30.0070.00716.70
7.2.20.0070.00716.85
7.2.10.0000.01116.88
7.2.00.0050.01018.13
7.1.330.0030.01015.43
7.1.320.0030.00915.41
7.1.310.0090.00615.82
7.1.300.0100.00315.54
7.1.290.0070.00715.39
7.1.280.0030.00615.70
7.1.270.0000.01415.77
7.1.260.0060.00915.76
7.1.250.0070.00715.73
7.1.100.0030.01018.07
7.1.70.0000.00717.05
7.1.60.0080.01519.50
7.1.50.0110.01116.77
7.1.00.0130.06722.57
7.0.200.0130.00014.97
7.0.140.0030.04722.08
7.0.60.0030.08019.86
7.0.50.0070.08017.68
7.0.40.0030.04320.04
7.0.30.0270.06320.02
7.0.20.0230.08320.01
7.0.10.0000.07020.16
7.0.00.0030.05020.09
5.6.280.0000.07720.90
5.6.210.0100.07720.70
5.6.200.0130.06018.22
5.6.190.0100.08720.56
5.6.180.3430.03720.32
5.6.170.0300.04320.52
5.6.160.0000.07720.61
5.6.150.0070.06718.16
5.6.140.0030.06018.18
5.6.130.0070.05318.17
5.6.120.0100.06720.96
5.6.110.0000.04320.97
5.6.100.0100.08021.12
5.6.90.0130.07720.96
5.6.80.0170.07720.38
5.6.70.4870.03320.48
5.5.350.0000.08320.40
5.5.340.0070.04718.01
5.5.330.0100.04720.40
5.5.320.0270.08020.51
5.5.310.0300.04720.13
5.5.300.0030.05017.98
5.5.290.0130.07017.87
5.5.280.0000.05320.75
5.5.270.0170.06320.96
5.5.260.0070.08720.83
5.5.250.0130.06020.68
5.5.240.0030.07720.36
5.4.450.0370.05319.41
5.4.440.0570.05319.10
5.4.430.0700.04719.09
5.4.420.0900.06719.44
5.4.410.0070.05718.95
5.4.400.0470.04718.59
5.4.390.0430.05018.56
5.4.380.0470.06718.68
5.4.370.2830.06018.70
5.4.360.0300.06718.46
5.4.350.0400.05318.70
5.4.340.2670.05718.68
5.4.320.0370.08018.60
5.4.310.0470.05318.56
5.4.300.0270.06718.46
5.4.290.0530.06718.68
5.4.280.0300.06018.58
5.4.270.5300.07318.50
5.4.260.0470.04318.75
5.4.250.0330.06318.64
5.4.240.2970.07018.77
5.4.230.0400.07018.61
5.4.220.0570.06018.71
5.4.210.0370.06018.51
5.4.200.0430.05316.40
5.4.190.0330.06018.66
5.4.180.0200.06318.47
5.4.170.0330.05318.58
5.4.160.0170.05318.69
5.4.150.1970.05318.65
5.4.140.0400.05316.26
5.4.130.0300.06716.08
5.4.120.2100.05716.15
5.4.110.0330.05716.21
5.4.100.0430.05716.16
5.4.90.0370.06016.14
5.4.80.0500.05016.14
5.4.70.0270.05316.17
5.4.60.0370.04316.10
5.4.50.0430.05016.32
5.4.40.0330.05016.28
5.4.30.0330.04716.21
5.4.20.0270.05716.31
5.4.10.0430.04716.27
5.4.00.0300.05015.61
5.3.290.0300.06314.57
5.3.280.0300.06014.66
5.3.270.0500.05014.53
5.3.260.0230.06014.61
5.3.250.0400.05314.55
5.3.240.0700.05714.51
5.3.230.0530.07314.58
5.3.220.0230.06314.59
5.3.210.0330.05314.60
5.3.200.0330.07014.49
5.3.190.0200.07314.59
5.3.180.0130.06014.56
5.3.170.0370.07714.65
5.3.160.2000.06014.54
5.3.150.0600.05714.55
5.3.140.3030.06714.46
5.3.130.0570.06714.54
5.3.120.0430.07014.44
5.3.110.0370.06314.52
5.3.100.0330.06013.96
5.3.90.0530.05314.11
5.3.80.0500.06014.01
5.3.70.0470.07013.96
5.3.60.0400.07013.98
5.3.50.0470.07313.92
5.3.40.0330.05313.88
5.3.30.0430.07013.87
5.3.20.0470.07013.69
5.3.10.0570.04713.75
5.3.00.0500.06013.66
5.2.170.0430.05011.11
5.2.160.0300.06011.17
5.2.150.0230.06711.07
5.2.140.0300.06311.07
5.2.130.0270.04711.11
5.2.120.0370.05311.13
5.2.110.0530.04711.04
5.2.100.0400.05311.15
5.2.90.0130.04011.02
5.2.80.0200.04311.07
5.2.70.3100.05711.05
5.2.60.0270.05311.08
5.2.50.0230.05310.94
5.2.40.0170.04710.96
5.2.30.0170.04710.96
5.2.20.0370.04310.90
5.2.10.0300.04010.98
5.2.00.0300.04710.79
5.1.60.0230.0339.97
5.1.50.0230.03710.05
5.1.40.0370.03710.03
5.1.30.0330.02710.37
5.1.20.0400.02710.36
5.1.10.0230.04010.11
5.1.00.0300.04710.18
5.0.50.0130.0308.56
5.0.40.0130.0278.38
5.0.30.0200.0438.24
5.0.20.0100.0338.37
5.0.10.0170.0338.25
5.0.00.0130.0508.13
4.4.90.0170.0205.89
4.4.80.0130.0235.91
4.4.70.0130.0305.81
4.4.60.0130.0275.88
4.4.50.0200.0135.91
4.4.40.0100.0375.89
4.4.30.0170.0275.90
4.4.20.0200.0235.92
4.4.10.0100.0275.87
4.4.00.0100.0375.90
4.3.110.0070.0275.83
4.3.100.0100.0335.74
4.3.90.0130.0275.81
4.3.80.0100.0375.79
4.3.70.0130.0235.91
4.3.60.0130.0175.82
4.3.50.0130.0275.79
4.3.40.0130.0375.78
4.3.30.0070.0235.60
4.3.20.0030.0235.60
4.3.10.0030.0235.60
4.3.00.0130.0206.83

preferences:
49.53 ms | 401 KiB | 5 Q