3v4l.org

run code in 300+ PHP versions simultaneously
<?php //var_dump(['foo' => 1] + ['foo' => 2]); var_dump(array_merge(array('foo' => 1), array('foo' => 2)));

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)
8.3.60.0040.01518.35
8.3.50.0070.00922.05
8.3.40.0040.01118.42
8.3.30.0060.00918.48
8.3.20.0030.00618.65
8.3.10.0070.00020.80
8.3.00.0000.00721.77
8.2.180.0120.00316.32
8.2.170.0070.01122.96
8.2.160.0100.00320.40
8.2.150.0160.00024.18
8.2.140.0050.00324.66
8.2.130.0070.00026.16
8.2.120.0070.00021.05
8.2.110.0090.00021.12
8.2.100.0110.00017.66
8.2.90.0040.00419.10
8.2.80.0050.00317.97
8.2.70.0040.00417.38
8.2.60.0030.00617.91
8.2.50.0040.00818.07
8.2.40.0020.00518.09
8.2.30.0040.00421.27
8.2.20.0000.00717.41
8.2.10.0030.00517.54
8.2.00.0000.00817.54
8.1.280.0120.00325.92
8.1.270.0080.00023.99
8.1.260.0040.00426.35
8.1.250.0060.00328.09
8.1.240.0090.00021.31
8.1.230.0080.00317.42
8.1.220.0000.00917.74
8.1.210.0030.00618.77
8.1.200.0000.01017.10
8.1.190.0030.00517.10
8.1.180.0040.00418.10
8.1.170.0080.00018.59
8.1.160.0040.00418.73
8.1.150.0000.00718.42
8.1.140.0000.00817.43
8.1.130.0030.00317.81
8.1.120.0070.00017.25
8.1.110.0000.00717.32
8.1.100.0040.00417.33
8.1.90.0050.00317.32
8.1.80.0060.00317.22
8.1.70.0040.00417.27
8.1.60.0060.00317.41
8.1.50.0000.00717.34
8.1.40.0070.00017.29
8.1.30.0050.00217.50
8.1.20.0000.00817.46
8.1.10.0000.00717.36
8.1.00.0040.00417.28
8.0.300.0000.00718.77
8.0.290.0040.00416.58
8.0.280.0030.00318.22
8.0.270.0070.00017.01
8.0.260.0000.00616.72
8.0.250.0040.00416.85
8.0.240.0040.00716.74
8.0.230.0000.00716.75
8.0.220.0000.00716.73
8.0.210.0070.00016.67
8.0.200.0060.00016.71
8.0.190.0070.00016.83
8.0.180.0030.00516.77
8.0.170.0040.00416.84
8.0.160.0040.00416.69
8.0.150.0070.00016.64
8.0.140.0080.00016.76
8.0.130.0030.00313.21
8.0.120.0050.00216.74
8.0.110.0030.00316.71
8.0.100.0000.00716.63
8.0.90.0040.00416.57
8.0.80.0210.00316.74
8.0.70.0040.00416.58
8.0.60.0070.00016.62
8.0.50.0040.00416.75
8.0.30.0070.01417.01
8.0.20.0090.00917.40
8.0.10.0000.00716.79
8.0.00.0110.01016.55
7.4.330.0020.00216.74
7.4.320.0070.00016.37
7.4.300.0030.00316.50
7.4.290.0030.00316.42
7.4.280.0030.00316.36
7.4.270.0060.00016.46
7.4.260.0030.00313.14
7.4.250.0030.00616.23
7.4.240.0070.00016.44
7.4.230.0030.00316.23
7.4.220.0110.00616.52
7.4.210.0080.01016.49
7.4.200.0000.00716.55
7.4.190.0000.00716.56
7.4.160.0090.00616.62
7.4.150.0110.00617.40
7.4.140.0090.00917.86
7.4.130.0110.00916.31
7.4.120.0060.01316.36
7.4.110.0090.00916.38
7.4.100.0060.01116.53
7.4.90.0110.00616.47
7.4.80.0070.01119.39
7.4.70.0030.01816.30
7.4.60.0060.00916.16
7.4.50.0060.00316.37
7.4.40.0040.01422.77
7.4.30.0000.01616.37
7.4.00.0090.00714.88
7.3.330.0000.00513.00
7.3.320.0050.00013.03
7.3.310.0000.00716.14
7.3.300.0070.00016.07
7.3.290.0030.01216.08
7.3.280.0090.00716.11
7.3.270.0110.00917.40
7.3.260.0090.01218.24
7.3.250.0090.00916.28
7.3.240.0150.00316.16
7.3.230.0130.00316.39
7.3.210.0110.01216.12
7.3.200.0090.00919.39
7.3.190.0090.00916.44
7.3.180.0060.01116.30
7.3.170.0080.00816.38
7.3.160.0070.01016.26
7.3.120.0070.00914.63
7.3.110.0110.00714.66
7.3.100.0060.01014.39
7.3.90.0070.01114.60
7.3.80.0070.00314.56
7.3.70.0060.00914.54
7.3.60.0090.00614.57
7.3.50.0100.00314.55
7.3.40.0030.01014.73
7.3.30.0070.00714.64
7.3.20.0070.00716.55
7.3.10.0030.01216.48
7.3.00.0030.01016.58
7.2.330.0140.00316.23
7.2.320.0120.00616.25
7.2.310.0090.00916.25
7.2.300.0070.01116.48
7.2.290.0030.01316.34
7.2.250.0040.01114.79
7.2.240.0060.01214.52
7.2.230.0090.00914.52
7.2.220.0030.01714.81
7.2.210.0030.01314.90
7.2.200.0030.00714.79
7.2.190.0060.00914.82
7.2.180.0060.00614.75
7.2.170.0060.00914.84
7.2.130.0000.01316.91
7.2.120.0100.00316.67
7.2.110.0130.00016.84
7.2.100.0060.00916.65
7.2.90.0070.00716.66
7.2.80.0000.01416.96
7.2.70.0100.00316.84
7.2.60.0020.01316.56
7.2.50.0040.00716.81
7.2.40.0030.00616.66
7.2.30.0070.00716.79
7.2.20.0060.00316.52
7.2.10.0120.00316.73
7.2.00.0100.00316.68
7.1.330.0070.00715.70
7.1.320.0040.01115.44
7.1.310.0120.00615.65
7.1.300.0000.01615.28
7.1.290.0030.01015.79
7.1.280.0070.00715.58
7.1.270.0080.00515.58
7.1.260.0110.00315.58
7.1.250.0050.00315.63
7.1.200.0100.01015.77
7.1.70.0000.00716.90
7.1.60.0080.00317.26
7.1.50.0230.00634.64
7.1.00.0000.03722.41
7.0.200.0000.00716.43
7.0.140.0000.07721.95
7.0.60.0130.07719.94
7.0.50.0030.08317.79
7.0.40.0100.08020.23
7.0.30.0570.06720.20
7.0.20.0200.08020.04
7.0.10.0000.05720.06
7.0.00.0030.05320.17
5.6.280.0000.07721.04
5.6.210.0070.03720.47
5.6.200.0100.05318.13
5.6.190.0070.08320.39
5.6.180.3170.04720.27
5.6.170.0230.04320.41
5.6.160.0130.07320.39
5.6.150.0030.04018.21
5.6.140.0070.08018.16
5.6.130.0130.05018.20
5.6.120.0070.08321.01
5.6.110.0030.05720.98
5.6.100.0030.06020.88
5.6.90.0000.05721.09
5.6.80.0070.08320.39
5.6.70.0570.07720.34
5.5.350.0270.07720.37
5.5.340.0200.03317.91
5.5.330.0030.04320.56
5.5.320.3570.04020.32
5.5.310.0300.08020.26
5.5.300.0070.05017.96
5.5.290.0230.06317.97
5.5.280.0100.06720.64
5.5.270.0070.04020.79
5.5.260.0170.07320.78
5.5.250.0000.08320.58
5.5.240.0300.07020.27
5.4.450.1830.03319.13
5.4.440.1700.04719.57
5.4.430.2000.04719.23
5.4.420.2030.04719.42
5.4.410.2070.04319.29
5.4.400.1530.05719.25
5.4.390.1830.04318.77
5.4.380.1800.04019.06
5.4.370.2030.04019.13
5.4.360.2130.03719.16
5.4.350.1870.03318.92
5.4.340.1770.03718.79
5.4.320.2130.04019.26
5.4.310.1970.05019.13
5.4.300.2070.04018.77
5.4.290.1970.04319.10
5.4.280.2170.03718.93
5.4.270.2000.05018.80
5.4.260.2030.04019.13
5.4.250.1770.04319.05
5.4.240.1730.04019.15
5.4.230.2030.05019.21
5.4.220.2230.04319.20
5.4.210.2030.04718.80
5.4.200.1670.03719.13
5.4.190.2200.04318.95
5.4.180.1870.04719.12
5.4.170.1830.04018.77
5.4.160.2070.04719.22
5.4.150.1930.04019.19
5.4.140.1870.04016.21
5.4.130.1800.04016.30
5.4.120.1930.03316.43
5.4.110.1830.03716.39
5.4.100.1830.03716.23
5.4.90.1870.03016.41
5.4.80.1830.03316.46
5.4.70.1800.03716.41
5.4.60.1870.03316.47
5.4.50.2070.04016.38
5.4.40.2130.03716.43
5.4.30.2030.04316.41
5.4.20.1930.03016.43
5.4.10.2030.03016.40
5.4.00.1900.02715.73
5.3.290.1730.04014.60
5.3.280.1800.03314.55
5.3.270.1770.04014.43
5.3.260.2030.03714.44
5.3.250.1770.04014.53
5.3.240.2170.05014.55
5.3.230.1900.04014.47
5.3.220.1930.05014.47
5.3.210.1900.04314.66
5.3.200.2000.04714.42
5.3.190.2000.04714.40
5.3.180.1830.04014.50
5.3.170.2030.04014.43
5.3.160.2030.04014.54
5.3.150.2030.04314.43
5.3.140.1800.03714.50
5.3.130.2070.04314.39
5.3.120.2000.03714.48
5.3.110.2070.03314.37
5.3.100.1430.05013.91
5.3.90.0070.04013.96
5.3.80.0070.03314.06
5.3.70.0830.03014.06
5.3.60.1800.03713.94
5.3.50.2030.04014.04
5.3.40.1870.02713.96
5.3.30.1730.04013.78
5.3.20.2000.04313.78
5.3.10.2030.03313.61
5.3.00.1300.03313.64
5.2.170.0100.06710.95
5.2.160.0070.06010.99
5.2.150.0200.06010.99
5.2.140.1400.03011.16
5.2.130.1600.03011.15
5.2.120.1700.03311.15
5.2.110.1700.03010.96
5.2.100.1470.02711.10
5.2.90.1670.03710.93
5.2.80.1670.03711.25
5.2.70.1400.03311.25
5.2.60.1630.03011.09
5.2.50.1630.04010.90
5.2.40.1730.02710.84
5.2.30.1170.02711.02
5.2.20.1470.03010.79
5.2.10.1530.03010.87
5.2.00.1500.03710.82
5.1.60.1300.02310.07
5.1.50.1600.0209.96
5.1.40.1430.0279.89
5.1.30.1230.02710.30
5.1.20.1370.03010.26
5.1.10.1370.03310.04
5.1.00.1200.02710.09
5.0.50.0670.0278.70
5.0.40.0700.0238.45
5.0.30.0800.0378.14
5.0.20.0700.0208.12
5.0.10.0730.0308.09
5.0.00.0700.0308.13
4.4.90.0800.0208.07
4.4.80.0600.0178.07
4.4.70.0600.0178.07
4.4.60.0630.0138.07
4.4.50.0630.0138.07
4.4.40.0600.0278.07
4.4.30.0670.0178.07
4.4.20.0700.0178.07
4.4.10.0700.0278.07
4.4.00.0600.0278.07
4.3.110.0570.0208.07
4.3.100.0630.0138.07
4.3.90.0630.0138.07
4.3.80.0570.0278.07
4.3.70.0570.0178.07
4.3.60.0630.0108.07
4.3.50.0670.0178.07
4.3.40.0600.0238.07
4.3.30.0300.0138.07
4.3.20.0330.0108.07
4.3.10.0300.0138.07
4.3.00.0300.0138.07

preferences:
46.16 ms | 401 KiB | 5 Q