3v4l.org

run code in 300+ PHP versions simultaneously
<?php var_dump(['href' => ''] + ['href' => 'foobar']); var_dump(array_merge(['href' => ''], ['href' => 'foobar']));

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)
8.3.80.0040.00418.30
8.3.70.0060.00916.58
8.3.60.0070.00718.15
8.3.50.0120.01018.20
8.3.40.0060.00918.64
8.3.30.0120.00318.59
8.3.20.0040.00421.73
8.3.10.0040.00418.82
8.3.00.0040.00421.78
8.2.200.0090.00018.29
8.2.190.0060.01016.58
8.2.180.0070.01425.92
8.2.170.0140.00322.96
8.2.160.0140.00022.31
8.2.150.0090.00924.18
8.2.140.0050.00324.66
8.2.130.0040.00426.16
8.2.120.0030.00519.00
8.2.110.0050.00520.32
8.2.100.0030.01019.28
8.2.90.0040.00417.50
8.2.80.0030.00519.09
8.2.70.0030.00617.88
8.2.60.0040.00418.09
8.2.50.0000.00819.20
8.2.40.0080.00020.79
8.2.30.0050.00220.38
8.2.20.0000.00717.86
8.2.10.0070.00018.63
8.2.00.0030.00619.63
8.1.290.0030.00630.84
8.1.280.0110.00425.92
8.1.270.0040.00420.39
8.1.260.0080.00026.35
8.1.250.0070.00028.09
8.1.240.0080.00317.64
8.1.230.0040.00719.16
8.1.220.0050.00317.74
8.1.210.0030.00618.77
8.1.200.0030.00617.11
8.1.190.0080.00017.10
8.1.180.0000.00818.10
8.1.170.0030.00618.56
8.1.160.0040.00418.74
8.1.150.0040.00418.82
8.1.140.0030.00320.23
8.1.130.0030.00320.30
8.1.120.0000.00817.29
8.1.110.0080.00017.26
8.1.100.0000.00717.21
8.1.90.0040.00417.29
8.1.80.0030.00317.31
8.1.70.0030.00317.20
8.1.60.0040.00417.34
8.1.50.0040.00817.41
8.1.40.0000.00817.21
8.1.30.0080.00017.56
8.1.20.0030.00517.53
8.1.10.0030.00517.41
8.1.00.0000.00817.16
8.0.300.0040.00419.60
8.0.290.0040.00416.63
8.0.280.0070.00018.30
8.0.270.0000.00717.12
8.0.260.0060.00018.31
8.0.250.0000.00616.87
8.0.240.0060.00016.85
8.0.230.0040.00416.87
8.0.220.0030.00316.69
8.0.210.0000.00716.82
8.0.200.0030.00316.80
8.0.190.0040.00416.79
8.0.180.0040.00416.86
8.0.170.0040.00416.79
8.0.160.0000.00716.82
8.0.150.0070.00016.68
8.0.140.0070.00016.78
8.0.130.0000.00613.29
8.0.120.0000.00716.72
8.0.110.0030.00516.81
8.0.100.0000.00716.84
8.0.90.0000.00716.85
8.0.80.0050.01216.72
8.0.70.0050.00216.93
8.0.60.0000.00816.85
8.0.50.0000.00716.88
8.0.30.0060.01616.75
8.0.20.0110.00717.18
8.0.10.0000.00716.93
8.0.00.0140.00616.60
7.4.330.0000.00515.55
7.4.320.0050.00216.44
7.4.300.0000.00616.46
7.4.290.0110.00016.31
7.4.280.0000.00716.46
7.4.270.0070.00016.47
7.4.260.0000.00816.48
7.4.250.0030.00316.41
7.4.240.0000.00716.29
7.4.230.0040.00416.53
7.4.220.0000.00816.57
7.4.210.0050.01016.49
7.4.200.0000.00716.37
7.4.160.0120.00616.31
7.4.130.0100.00716.47
7.4.120.0150.00616.19
7.4.110.0030.01416.35
7.4.100.0000.01816.42
7.4.90.0130.00416.21
7.4.80.0070.01019.39
7.4.70.0030.01616.60
7.4.60.0120.00616.24
7.4.50.0110.00416.23
7.4.40.0070.01016.31
7.4.00.0080.00814.81
7.3.330.0050.00013.00
7.3.320.0030.00313.00
7.3.310.0070.00015.98
7.3.300.0030.00316.11
7.3.290.0060.00916.12
7.3.280.0120.00416.12
7.3.260.0120.00616.23
7.3.240.0070.00916.25
7.3.230.0130.00316.18
7.3.210.0100.00716.09
7.3.200.0040.01216.04
7.3.190.0130.00616.36
7.3.180.0120.00616.15
7.3.170.0080.01216.29
7.3.160.0120.00916.21
7.3.120.0060.01114.55
7.3.110.0070.00814.63
7.3.100.0020.01314.42
7.3.90.0030.00914.59
7.3.80.0070.00514.69
7.3.70.0050.00714.47
7.3.60.0050.00914.65
7.3.50.0090.00814.71
7.3.40.0010.01014.60
7.3.30.0050.00814.57
7.3.20.0080.00716.47
7.3.10.0070.00316.44
7.3.00.0040.01216.48
7.2.330.0050.01116.37
7.2.320.0070.01216.27
7.2.310.0090.00616.15
7.2.300.0080.00816.53
7.2.290.0040.01916.33
7.2.250.0050.01314.85
7.2.240.0100.00714.84
7.2.230.0100.00114.64
7.2.220.0030.01014.75
7.2.210.0030.00914.62
7.2.200.0040.00814.81
7.2.190.0080.00614.66
7.2.180.0050.01014.86
7.2.170.0070.00814.67
7.2.160.0090.01214.98
7.2.150.0090.00616.64
7.2.140.0120.00016.57
7.2.130.0130.00316.71
7.2.120.0040.00716.49
7.2.110.0040.01716.49
7.2.100.0090.01216.42
7.2.90.0140.00716.81
7.2.80.0040.01116.91
7.2.70.0150.00016.69
7.2.60.0070.00716.54
7.2.50.0070.00716.78
7.2.40.0120.00316.66
7.2.30.0040.01116.76
7.2.20.0040.01116.44
7.2.10.0090.00616.80
7.2.00.0080.01316.68
7.1.330.0120.00315.65
7.1.320.0050.00615.70
7.1.310.0050.00915.63
7.1.300.0040.01115.37
7.1.290.0050.01015.51
7.1.280.0070.00915.55
7.1.270.0030.00815.49
7.1.260.0050.00715.55
7.1.250.0040.01415.33

preferences:
31.51 ms | 401 KiB | 5 Q