3v4l.org

run code in 300+ PHP versions simultaneously
<?php var_dump( ['a' => 1, 'b' => 2] + ['b' => 3, 'c' => 4] );

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)
8.3.60.0060.00916.25
8.3.50.0070.00715.92
8.3.40.0170.00318.72
8.3.30.0120.00318.54
8.3.20.0070.00020.25
8.3.10.0030.00623.65
8.3.00.0040.00422.09
8.2.180.0000.01616.32
8.2.170.0120.00322.96
8.2.160.0070.00718.96
8.2.150.0040.00424.18
8.2.140.0070.00024.66
8.2.130.0000.00821.07
8.2.120.0040.00426.35
8.2.110.0090.00021.09
8.2.100.0120.00017.72
8.2.90.0050.00319.05
8.2.80.0000.00817.97
8.2.70.0040.00417.38
8.2.60.0080.00017.80
8.2.50.0050.00318.10
8.2.40.0040.00420.50
8.2.30.0000.00720.98
8.2.20.0070.00017.79
8.2.10.0070.00017.85
8.2.00.0070.00017.79
8.1.280.0110.00425.92
8.1.270.0050.00322.19
8.1.260.0040.00426.35
8.1.250.0020.00528.09
8.1.240.0060.00321.25
8.1.230.0030.00717.64
8.1.220.0080.00017.74
8.1.210.0060.00318.77
8.1.200.0040.00417.23
8.1.190.0040.00417.10
8.1.180.0040.00418.10
8.1.170.0030.00618.49
8.1.160.0000.00818.95
8.1.150.0050.00320.50
8.1.140.0000.00719.37
8.1.130.0030.00318.66
8.1.120.0000.00817.36
8.1.110.0050.00317.24
8.1.100.0080.00017.30
8.1.90.0030.00717.31
8.1.80.0070.00017.23
8.1.70.0030.00317.24
8.1.60.0030.00517.49
8.1.50.0070.00317.36
8.1.40.0020.00517.36
8.1.30.0040.00417.52
8.1.20.0000.00717.44
8.1.10.0050.00317.36
8.1.00.0000.00717.30
8.0.300.0070.00018.77
8.0.290.0040.00416.63
8.0.280.0000.00718.36
8.0.270.0000.00717.18
8.0.260.0030.00316.72
8.0.250.0000.00716.77
8.0.240.0050.00516.86
8.0.230.0000.00716.86
8.0.220.0070.00016.70
8.0.210.0000.00716.85
8.0.200.0000.00616.76
8.0.190.0060.00316.91
8.0.180.0000.00816.79
8.0.170.0060.00316.83
8.0.160.0040.00416.80
8.0.150.0030.00316.85
8.0.140.0030.00516.66
8.0.130.0000.00613.27
8.0.120.0000.00716.65
8.0.110.0030.00316.70
8.0.100.0040.00416.76
8.0.90.0000.00816.66
8.0.80.0090.00616.82
8.0.70.0020.00516.70
8.0.60.0030.00516.59
8.0.50.0000.00716.78
8.0.30.0130.00616.92
8.0.20.0110.00917.40
8.0.10.0080.00016.93
8.0.00.0030.01516.50
7.4.330.0060.00015.55
7.4.320.0030.00516.26
7.4.300.0030.00316.39
7.4.290.0080.00016.35
7.4.280.0030.00616.31
7.4.270.0030.00316.46
7.4.260.0000.00816.46
7.4.250.0000.00816.34
7.4.240.0040.00416.48
7.4.230.0000.00716.19
7.4.220.0050.01116.35
7.4.210.0120.00416.37
7.4.200.0030.00316.54
7.4.160.0090.00916.33
7.4.150.0090.00917.40
7.4.140.0110.00717.86
7.4.130.0100.01316.22
7.4.120.0080.01316.36
7.4.110.0180.00316.36
7.4.100.0200.00316.37
7.4.90.0060.01216.39
7.4.80.0110.00719.39
7.4.70.0160.00016.27
7.4.60.0040.01116.43
7.4.50.0030.01316.31
7.4.40.0040.01316.17
7.4.30.0100.00716.35
7.4.00.0060.00915.00
7.3.330.0070.00012.96
7.3.320.0050.00012.96
7.3.310.0060.00016.12
7.3.300.0070.00016.13
7.3.290.0060.01216.14
7.3.280.0090.00816.12
7.3.270.0170.00717.40
7.3.260.0120.00516.24
7.3.250.0110.00916.21
7.3.240.0090.00916.35
7.3.230.0080.00816.16
7.3.210.0100.00816.13
7.3.200.0160.00016.27
7.3.190.0100.00716.18
7.3.180.0090.00616.15
7.3.170.0090.00616.09
7.3.160.0100.00716.11
7.3.10.0080.00716.35
7.3.00.0050.00816.49
7.2.330.0130.01216.50
7.2.320.0090.00916.56
7.2.310.0100.00716.33
7.2.300.0040.01116.58
7.2.290.0130.00516.40
7.2.130.0040.00716.64
7.2.120.0080.00616.66
7.2.110.0060.00516.58
7.2.100.0070.00516.53
7.2.90.0120.00315.96
7.2.80.0290.00515.92
7.2.70.0070.00515.89
7.2.60.0250.00716.11
7.2.50.0210.00916.06
7.2.40.0140.00516.08
7.2.30.0250.00516.01
7.2.20.0060.00816.04
7.2.10.0260.00715.99
7.2.00.0110.00416.10
7.1.250.0040.00615.64
7.1.210.0750.01013.61
7.1.200.0870.00013.61
7.1.190.0630.00913.78
7.1.180.0570.01013.84
7.1.170.0770.00313.84
7.1.160.0060.00613.58
7.1.150.0600.00913.85
7.1.140.1170.01313.80
7.1.130.0070.00713.62
7.1.120.0030.01013.78
7.1.110.0840.00013.86
7.1.100.0590.00713.91
7.1.90.0690.01313.50
7.1.80.0980.00313.64
7.1.70.0680.00313.86
7.1.60.1050.01331.97
7.1.50.0960.01131.91
7.1.40.0790.01331.89
7.1.30.0290.00331.97
7.1.20.0860.01331.95
7.1.10.0550.01013.85
7.1.00.1210.00313.82
7.0.310.0820.00613.48
7.0.300.0140.00013.27
7.0.290.0100.00312.93
7.0.280.0600.00713.41
7.0.270.0250.01613.08
7.0.260.0530.00713.08
7.0.250.0810.00312.80
7.0.240.1140.00713.28
7.0.230.0760.00313.14
7.0.220.0800.00013.33
7.0.210.0650.01013.45
7.0.200.0310.00413.10
7.0.190.0180.00013.58
7.0.180.0210.00313.22
7.0.170.0150.00313.46
7.0.160.0600.00913.27
7.0.150.0140.00013.50
7.0.140.0860.00013.33
7.0.130.0160.00613.50
7.0.120.1030.00913.21
7.0.110.0230.00313.41
7.0.100.0270.00313.46
7.0.90.0450.00313.50
7.0.80.0110.00413.23
7.0.70.0110.00413.46
7.0.60.0060.00913.47
7.0.50.0730.00713.57
7.0.40.0100.01013.15
7.0.30.0070.00713.48
7.0.20.0860.00613.65
7.0.10.0920.00313.43
7.0.00.0880.00413.51

preferences:
63.32 ms | 401 KiB | 5 Q