3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = ['123' => 'abc']; $b = ['123' => 'foobar']; var_dump(array_merge($a, $b)); var_dump($a+$b);

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)
8.5.20.0110.00619.42
8.5.10.0070.00816.45
8.5.00.0080.01019.99
8.4.160.0120.01023.05
8.4.150.0030.00014.05
8.4.140.0150.00817.52
8.4.130.0110.00919.58
8.4.120.0040.00620.61
8.4.110.0110.00922.38
8.4.100.0130.00917.54
8.4.90.0080.00318.52
8.4.80.0120.00919.42
8.4.70.0110.01017.84
8.4.60.0100.01118.88
8.4.50.0100.00618.54
8.4.40.0060.01319.43
8.4.30.0070.01119.36
8.4.20.0130.00719.63
8.4.10.0060.00319.39
8.3.290.0120.00920.79
8.3.280.0110.00918.37
8.3.270.0120.01016.52
8.3.260.0130.00716.31
8.3.250.0100.00818.70
8.3.240.0110.00316.85
8.3.230.0110.00916.54
8.3.220.0140.00617.29
8.3.210.0120.00616.54
8.3.200.0100.00616.43
8.3.190.0080.00518.93
8.3.180.0100.00818.79
8.3.170.0140.00718.75
8.3.160.0100.00716.43
8.3.150.0110.00716.35
8.3.140.0040.00416.49
8.3.130.0050.00318.28
8.3.120.0040.01118.81
8.3.110.0040.00420.94
8.3.100.0050.00524.06
8.3.90.0080.00026.77
8.3.80.0040.00416.50
8.3.70.0130.00618.30
8.3.60.0120.00616.38
8.3.50.0090.00717.19
8.3.40.0100.00618.76
8.3.30.0040.01118.59
8.3.20.0000.00720.22
8.3.10.0000.00723.48
8.3.00.0020.00523.48
8.2.300.0060.00320.32
8.2.290.0090.01020.31
8.2.280.0110.00818.22
8.2.270.0030.00716.67
8.2.260.0040.01117.28
8.2.250.0050.00318.46
8.2.240.0090.00018.96
8.2.230.0060.00322.58
8.2.220.0080.00037.54
8.2.210.0040.00426.77
8.2.200.0070.00316.50
8.2.190.0140.00016.58
8.2.180.0160.00316.32
8.2.170.0150.00018.91
8.2.160.0100.00322.96
8.2.150.0040.00425.66
8.2.140.0040.00424.66
8.2.130.0040.00420.55
8.2.120.0080.00026.35
8.2.110.0050.00521.00
8.2.100.0100.00018.09
8.2.90.0040.00419.22
8.2.80.0030.00617.97
8.2.70.0040.00417.59
8.2.60.0040.00417.91
8.2.50.0040.00418.16
8.2.40.0040.00420.45
8.2.30.0000.00920.88
8.2.20.0000.00717.85
8.2.10.0040.00417.86
8.2.00.0000.00717.96
8.1.340.0080.01117.52
8.1.330.0120.00621.85
8.1.320.0100.01017.81
8.1.310.0100.00718.17
8.1.300.0080.00817.67
8.1.290.0030.00618.88
8.1.280.0130.00725.92
8.1.270.0030.00622.14
8.1.260.0080.00026.35
8.1.250.0050.00328.09
8.1.240.0040.00724.02
8.1.230.0060.00620.32
8.1.220.0040.00417.74
8.1.210.0050.00318.77
8.1.200.0000.00817.22
8.1.190.0050.00317.23
8.1.180.0040.00418.10
8.1.170.0030.00618.38
8.1.160.0050.00318.77
8.1.150.0030.00320.07
8.1.140.0060.00318.94
8.1.130.0000.00720.84
8.1.120.0000.00817.28
8.1.110.0040.00717.40
8.1.100.0070.00017.30
8.1.90.0030.00617.21
8.1.80.0000.00817.38
8.1.70.0040.00417.39
8.1.60.0050.00317.39
8.1.50.0040.00417.41
8.1.40.0080.00017.44
8.1.30.0040.00417.59
8.1.20.0050.00317.51
8.1.10.0040.00417.32
8.1.00.0000.00817.37
8.0.300.0040.00418.77
8.0.290.0040.00416.58
8.0.280.0040.00418.42
8.0.270.0070.00017.05
8.0.260.0030.00718.43
8.0.250.0000.00716.93
8.0.240.0000.00716.81
8.0.230.0040.00416.94
8.0.220.0030.00316.90
8.0.210.0000.00716.87
8.0.200.0000.00616.89
8.0.190.0030.00616.80
8.0.180.0000.00716.88
8.0.170.0000.00816.80
8.0.160.0040.00316.92
8.0.150.0050.00216.70
8.0.140.0040.00416.82
8.0.130.0060.00013.30
8.0.120.0000.00716.76
8.0.110.0000.00816.73
8.0.100.0020.00516.77
8.0.90.0030.00316.85
8.0.80.0090.00716.94
8.0.70.0070.00016.94
8.0.60.0000.00816.88
8.0.50.0070.00016.93
8.0.30.0070.00817.11
8.0.20.0100.01217.40
8.0.10.0040.00417.06
8.0.00.0060.01216.65
7.4.330.0000.00515.55
7.4.320.0050.00216.41
7.4.300.0060.00016.43
7.4.290.0030.00316.53
7.4.280.0000.00816.33
7.4.270.0020.00516.52
7.4.260.0000.00716.55
7.4.250.0000.00716.54
7.4.240.0000.00816.43
7.4.230.0070.00016.36
7.4.220.0100.00716.59
7.4.210.0080.00716.40
7.4.200.0070.00016.53
7.4.160.0100.00616.37
7.4.150.0060.01217.40
7.4.140.0090.00917.86
7.4.130.0060.01216.38
7.4.120.0090.01216.44
7.4.110.0090.00916.45
7.4.100.0090.00816.44
7.4.90.0120.00916.41
7.4.80.0100.00719.39
7.4.70.0030.01916.48
7.4.60.0070.00716.32
7.4.50.0060.00716.60
7.4.40.0100.00716.41
7.4.30.0100.00616.10
7.4.10.0060.01315.19
7.4.00.0050.01014.93
7.3.330.0000.00513.07
7.3.320.0060.00012.98
7.3.310.0070.00016.03
7.3.300.0040.00416.17
7.3.290.0030.00316.23
7.3.280.0030.01116.14
7.3.270.0140.01117.40
7.3.260.0070.01016.24
7.3.250.0130.00616.29
7.3.240.0070.01016.37
7.3.230.0090.00816.54
7.3.210.0040.01516.56
7.3.200.0120.00916.59
7.3.190.0150.00316.29
7.3.180.0090.00616.41
7.3.170.0090.00616.18
7.3.160.0130.00316.52
7.3.130.0070.01114.93
7.3.120.0030.01614.75
7.3.110.0030.01314.50
7.3.100.0040.01114.62
7.3.90.0140.00314.48
7.3.80.0030.01014.50
7.3.70.0060.01014.72
7.3.60.0030.01114.88
7.3.50.0060.00614.60
7.3.40.0070.00714.55
7.3.30.0120.00414.94
7.3.20.0070.00716.39
7.3.10.0100.00316.38
7.3.00.0060.00916.58
7.2.330.0120.00816.31
7.2.320.0070.01016.55
7.2.310.0140.01116.57
7.2.300.0240.02016.30
7.2.290.0060.01116.40
7.2.260.0030.01015.07
7.2.250.0070.01114.77
7.2.240.0070.01015.07
7.2.230.0100.00614.83
7.2.220.0000.01814.86
7.2.210.0090.00614.70
7.2.200.0030.01014.91
7.2.190.0040.01114.97
7.2.180.0040.00714.69
7.2.170.0060.00914.76
7.2.160.0140.00315.02
7.2.150.0040.01116.83
7.2.140.0070.00716.82
7.2.130.0000.01216.68
7.2.120.0030.00616.80
7.2.110.0040.01216.78
7.2.100.0040.00816.63
7.2.90.0030.01017.01
7.2.80.0030.01016.76
7.2.70.0100.00716.72
7.2.60.0180.00816.74
7.2.50.0030.01316.68
7.2.40.0040.01216.90
7.2.30.0030.01016.89
7.2.20.0040.01216.94
7.2.10.0000.01016.66
7.2.00.0040.01216.59
7.1.330.0030.01215.67
7.1.320.0030.00715.72
7.1.310.0040.01115.87
7.1.300.0060.00915.74
7.1.290.0030.00515.45
7.1.280.0000.01415.57
7.1.270.0110.00415.71
7.1.260.0060.00615.93
7.1.250.0030.00615.71
7.1.240.0040.00815.79
7.1.230.0080.00415.88
7.1.220.0000.00915.70
7.1.210.0040.00415.80
7.1.200.0090.00415.69
7.1.190.0060.00615.67
7.1.180.0070.00715.80
7.1.170.0090.00615.83
7.1.160.0040.00415.88
7.1.150.0090.00615.93
7.1.140.0070.00715.68
7.1.130.0090.00315.75
7.1.120.0030.01015.55
7.1.110.0260.00916.02
7.1.100.0230.01315.96
7.1.90.0200.00516.12
7.1.80.0150.01216.05
7.1.70.0160.01115.54
7.1.60.0310.00724.36
7.1.50.0950.01124.41
7.1.40.0270.00824.21
7.1.30.0290.00624.16
7.1.20.0270.01224.18
7.1.10.0300.01015.18
7.1.00.0270.01215.26
7.0.330.0060.00315.39
7.0.320.0030.00915.41
7.0.310.0060.00615.34
7.0.300.0030.01315.36
7.0.290.0130.00015.26
7.0.280.0030.01215.48
7.0.270.0070.00315.31
7.0.260.0030.00615.42
7.0.250.0210.00715.73
7.0.240.0240.01215.65
7.0.230.0190.00615.59
7.0.220.0200.00515.58
7.0.210.0230.00515.00
7.0.200.0320.01215.12
7.0.190.0200.00515.13
7.0.180.0200.00714.74
7.0.170.0160.00914.91
7.0.160.0350.00314.97
7.0.150.0240.01014.96
7.0.140.0170.00714.84
7.0.130.0230.00915.12
7.0.120.0260.01015.04
7.0.110.0200.00615.01
7.0.100.0140.01415.04
7.0.90.0270.01014.89
7.0.80.0190.00514.93
7.0.70.0170.01114.99
7.0.60.0170.00914.88
7.0.50.0360.01114.91
7.0.40.0170.00814.13
7.0.30.0150.01113.97
7.0.20.0340.01113.83
7.0.10.0320.00814.03
7.0.00.0240.00514.08
5.6.400.0110.00414.13
5.6.390.0060.00614.32
5.6.380.0000.01214.25
5.6.370.0000.01314.33
5.6.360.0090.00614.34
5.6.350.0090.00014.13
5.6.340.0050.00813.94
5.6.330.0040.01114.20
5.6.320.0080.00414.33
5.6.310.0000.01513.90
5.6.300.0070.01014.38
5.6.290.0090.00414.11
5.6.280.0060.01014.02
5.6.270.0070.00714.21
5.6.260.0030.01314.56
5.6.250.0000.01814.28
5.6.240.0000.01714.19
5.6.230.0080.00414.29
5.6.220.0000.01314.30
5.6.210.0030.01014.27
5.6.200.0110.00414.20
5.6.190.0000.01514.07
5.6.180.0000.00914.36
5.6.170.0040.00714.18
5.6.160.0070.00714.32
5.6.150.0090.00014.21
5.6.140.0080.00814.32
5.6.130.0060.00914.35
5.6.120.0030.01014.05
5.6.110.0000.01414.07
5.6.100.0100.00614.16
5.6.90.0090.00614.23
5.6.80.0090.00614.05
5.6.70.0060.00914.24
5.6.60.0070.00714.17
5.6.50.0110.00314.13
5.6.40.0000.00814.09
5.6.30.0070.00714.39
5.6.20.0000.01414.13
5.6.10.0070.00714.31
5.6.00.0030.01014.08

preferences:
183.16 ms | 403 KiB | 5 Q