3v4l.org

run code in 300+ PHP versions simultaneously
<?php var_dump(array_merge(array('foo'=>'nar'), array('2013' => 'y')));

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)
8.3.60.0110.01118.30
8.3.50.0100.00921.20
8.3.40.0150.00018.45
8.3.30.0070.01020.21
8.3.20.0050.00220.16
8.3.10.0140.00321.96
8.3.00.0000.00722.52
8.2.180.0100.00618.30
8.2.170.0030.01022.96
8.2.160.0030.01020.43
8.2.150.0080.00024.18
8.2.140.0090.00924.66
8.2.130.0110.00426.16
8.2.120.0040.00419.54
8.2.110.0030.00619.27
8.2.100.0030.00917.78
8.2.90.0040.00419.09
8.2.80.0030.00517.97
8.2.70.0040.00417.50
8.2.60.0080.00017.68
8.2.50.0060.00318.07
8.2.40.0060.00318.09
8.2.30.0000.00817.99
8.2.20.0060.00317.57
8.2.10.0000.00817.61
8.2.00.0000.00817.49
8.1.280.0100.01025.92
8.1.270.0040.01520.32
8.1.260.0000.00826.35
8.1.250.0160.00328.09
8.1.240.0090.00022.68
8.1.230.0040.00717.42
8.1.220.0000.00817.74
8.1.210.0030.00618.77
8.1.200.0070.00316.88
8.1.190.0030.00617.10
8.1.180.0000.00818.62
8.1.170.0040.00418.50
8.1.160.0070.00022.23
8.1.150.0060.00318.45
8.1.140.0000.00817.31
8.1.130.0000.00817.82
8.1.120.0070.00017.38
8.1.110.0050.00217.25
8.1.100.0040.00417.34
8.1.90.0030.00517.39
8.1.80.0000.00717.36
8.1.70.0000.00717.31
8.1.60.0080.00017.34
8.1.50.0000.00717.38
8.1.40.0080.00017.35
8.1.30.0080.00017.43
8.1.20.0000.00817.45
8.1.10.0040.00417.39
8.1.00.0040.00417.23
8.0.300.0000.00718.77
8.0.290.0050.00316.63
8.0.280.0030.00318.36
8.0.270.0030.00317.04
8.0.260.0030.00316.69
8.0.250.0030.00516.85
8.0.240.0040.00416.87
8.0.230.0030.00516.70
8.0.220.0000.00816.80
8.0.210.0000.00716.70
8.0.200.0070.00216.71
8.0.190.0040.00416.69
8.0.180.0000.00816.81
8.0.170.0040.00416.80
8.0.160.0030.00316.71
8.0.150.0050.00316.74
8.0.140.0070.00016.65
8.0.130.0000.00613.14
8.0.120.0070.00016.71
8.0.110.0000.00716.81
8.0.100.0070.00016.77
8.0.90.0040.00416.75
8.0.80.0000.02016.75
8.0.70.0030.00316.73
8.0.60.0000.00716.63
8.0.50.0040.00416.54
8.0.30.0100.00916.96
8.0.20.0060.01317.40
8.0.10.0050.00316.73
8.0.00.0050.01416.65
7.4.330.0020.00215.00
7.4.320.0000.00716.38
7.4.300.0000.00716.49
7.4.290.0070.00016.38
7.4.280.0000.00716.41
7.4.270.0000.00716.46
7.4.260.0000.00716.36
7.4.250.0030.00516.48
7.4.240.0020.00416.42
7.4.230.0070.00016.52
7.4.220.0140.00316.38
7.4.210.0090.00816.36
7.4.200.0070.00016.42
7.4.190.0000.00716.55
7.4.160.0080.00816.53
7.4.150.0030.01417.40
7.4.140.0090.00917.86
7.4.130.0090.00716.39
7.4.120.0130.00416.36
7.4.110.0090.01316.37
7.4.100.0080.01116.22
7.4.90.0140.00316.25
7.4.80.0150.00419.39
7.4.70.0100.00716.32
7.4.60.0030.01416.48
7.4.50.0000.00516.34
7.4.40.0060.00922.77
7.4.30.0120.00816.37
7.4.00.0070.00914.81
7.3.330.0020.00312.89
7.3.320.0050.00012.98
7.3.310.0040.00415.95
7.3.300.0070.00016.17
7.3.290.0130.00616.12
7.3.280.0080.00716.09
7.3.270.0060.01717.40
7.3.260.0120.00616.13
7.3.250.0100.00816.45
7.3.240.0080.00816.15
7.3.230.0030.01316.39
7.3.210.0100.00716.39
7.3.200.0040.01619.39
7.3.190.0150.00616.34
7.3.180.0030.01716.18
7.3.170.0070.01516.38
7.3.160.0060.00916.14
7.3.120.0070.00914.62
7.3.110.0130.00314.84
7.3.100.0060.00614.95
7.3.90.0030.01214.62
7.3.80.0130.00014.61
7.3.70.0000.01414.66
7.3.60.0030.01014.81
7.3.50.0140.00314.64
7.3.40.0090.00614.49
7.3.30.0040.00814.60
7.3.20.0090.00316.50
7.3.10.0100.00316.39
7.3.00.0040.00816.50
7.2.330.0170.00016.29
7.2.320.0150.00316.32
7.2.310.0130.00316.44
7.2.300.0060.01016.25
7.2.290.0100.01016.31
7.2.250.0030.01014.97
7.2.240.0160.00314.63
7.2.230.0070.01014.55
7.2.220.0100.01014.61
7.2.210.0060.00314.67
7.2.200.0040.00814.76
7.2.190.0070.00714.89
7.2.180.0110.00714.50
7.2.170.0070.00714.53
7.2.00.0030.00619.09
7.1.330.0130.00015.30
7.1.320.0030.00615.57
7.1.310.0100.00015.66
7.1.300.0040.00915.67
7.1.290.0100.00715.56
7.1.280.0040.00415.43
7.1.270.0070.00315.69
7.1.260.0080.00415.61
7.1.100.0070.00717.64
7.1.70.0120.00016.76
7.1.60.0060.01619.29
7.1.50.0090.00316.86
7.1.00.0000.03722.26
7.0.200.0000.00716.50
7.0.140.0030.07722.15
7.0.60.0030.04019.91
7.0.50.0130.08017.87
7.0.40.0070.04020.02
7.0.30.0000.08720.21
7.0.20.0230.03320.18
7.0.10.0100.07720.09
7.0.00.0070.06020.16
5.6.280.0130.06720.89
5.6.210.0030.04720.54
5.6.200.0070.06018.19
5.6.190.0030.05720.33
5.6.180.0230.04020.49
5.6.170.0230.08320.47
5.6.160.0000.07020.50
5.6.150.0130.07018.14
5.6.140.0070.08018.21
5.6.130.0070.07718.18
5.6.120.0130.03721.00
5.6.110.0030.06721.01
5.6.100.0070.04020.98
5.6.90.0030.07720.87
5.6.80.0000.04720.50
5.5.350.3900.04320.37
5.5.340.0100.07718.02
5.5.330.0000.04320.14
5.5.320.0200.04720.34
5.5.310.0200.06020.21
5.5.300.0070.08017.96
5.5.290.0100.07718.02
5.5.280.0070.08720.97
5.5.270.0030.04720.75
5.5.260.0100.03720.82
5.5.250.0130.05320.54
5.5.240.0200.07720.25
5.4.450.2570.03719.14
5.4.440.3100.05319.21
5.4.430.3370.03719.10
5.4.420.2770.05019.40
5.4.410.3530.03719.35
5.4.400.2730.04018.81
5.4.390.2900.04318.90
5.4.380.3270.03718.93
5.4.370.2500.03318.92
5.4.360.3130.04318.80
5.4.350.3370.05018.80
5.4.340.2400.03019.13
5.4.320.3270.04018.79
5.4.310.2630.04019.08
5.4.300.2470.04019.13
5.4.290.2930.04318.88
5.4.280.2830.03718.77
5.4.270.3070.03719.24
5.4.260.3170.04019.15
5.4.250.3100.03319.12
5.4.240.2930.04319.23
5.4.230.3400.03319.08
5.4.220.3330.03719.05
5.4.210.3100.03719.07
5.4.200.3130.03019.13
5.4.190.2930.04019.05
5.4.180.3300.03318.93
5.4.170.2970.03719.09
5.4.160.2370.03719.11
5.4.150.2370.04319.11
5.4.140.1600.03316.15
5.4.130.1970.03716.31
5.4.120.1430.03316.25
5.4.110.2070.03716.39
5.4.100.1130.03716.20
5.4.90.2600.04316.39
5.4.80.2870.03716.41
5.4.70.2670.03716.19
5.4.60.3270.03016.39
5.4.50.2800.03716.15
5.4.40.2700.03716.04
5.4.30.1800.03016.04
5.4.20.2570.03716.45
5.4.10.2500.03016.44
5.4.00.2600.03315.93
5.3.290.2300.04014.61
5.3.280.2670.03714.43
5.3.270.2030.03314.45
5.3.260.2330.04014.46
5.3.250.2230.04014.65
5.3.240.2670.03314.44
5.3.230.3200.03714.46
5.3.220.2970.03714.55
5.3.210.2730.03314.66
5.3.200.3170.03314.42
5.3.190.2900.04314.46
5.3.180.2130.04014.40
5.3.170.2870.04014.54
5.3.160.2670.03314.41
5.3.150.2970.04314.51
5.3.140.3000.03314.41
5.3.130.2300.04314.33
5.3.120.3130.04014.41
5.3.110.3600.04314.42
5.3.100.3200.04713.97
5.3.90.2500.04713.86
5.3.80.2800.04313.89
5.3.70.2670.04014.04
5.3.60.2230.03713.83
5.3.50.2830.04313.78
5.3.40.2800.04013.80
5.3.30.3200.03013.76
5.3.20.3130.03313.54
5.3.10.2700.04013.67
5.3.00.2970.03713.48
5.2.170.2630.03012.54
5.2.160.2270.03012.54
5.2.150.2430.02712.54
5.2.140.2330.02712.54
5.2.130.2230.02312.54
5.2.120.2200.02312.54
5.2.110.2130.03312.54
5.2.100.2470.03712.54
5.2.90.3000.02312.54
5.2.80.3130.03012.54
5.2.70.2770.03312.54
5.2.60.2770.02712.54
5.2.50.2670.02712.54
5.2.40.1930.02712.54
5.2.30.1630.03312.54
5.2.20.1970.02712.54
5.2.10.2030.01312.54
5.2.00.2070.03312.54
5.1.60.1570.02712.54
5.1.50.2130.02712.54
5.1.40.1870.02712.54
5.1.30.1930.02712.54
5.1.20.1570.02712.54
5.1.10.2100.03012.54
5.1.00.2170.02312.54
5.0.50.1170.02312.54
5.0.40.0970.02012.54
5.0.30.1000.03012.54
5.0.20.1170.02312.54
5.0.10.1200.02712.54
5.0.00.1000.02712.54
4.4.90.1070.01712.54
4.4.80.1130.02012.54
4.4.70.1170.01712.54
4.4.60.1200.01712.54
4.4.50.0930.01712.54
4.4.40.1030.03012.54
4.4.30.1030.01712.54
4.4.20.1130.02312.54
4.4.10.1130.02312.54
4.4.00.1070.02712.54
4.3.110.0970.02012.54
4.3.100.0930.01312.54
4.3.90.1230.01712.54
4.3.80.0930.02712.54
4.3.70.0900.02312.54
4.3.60.0930.01712.54
4.3.50.0970.01712.54
4.3.40.1170.03012.54
4.3.30.0400.02712.54
4.3.20.0600.01312.54
4.3.10.0530.02312.54
4.3.00.0570.02312.54

preferences:
50.27 ms | 401 KiB | 5 Q