3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = [[1, 2], [1, 2]]; $a["a"] = [1, 3]; array_unshift($a, [3, 4]); print_r($a);

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)
8.3.60.0150.00616.50
8.3.50.0180.00316.21
8.3.40.0030.01018.73
8.3.30.0070.00718.57
8.3.20.0080.00020.27
8.3.10.0000.00723.69
8.3.00.0040.00422.10
8.2.180.0110.00416.50
8.2.170.0090.00622.96
8.2.160.0140.00318.97
8.2.150.0000.00824.18
8.2.140.0040.00424.66
8.2.130.0000.00819.23
8.2.120.0040.00426.35
8.2.110.0000.01022.30
8.2.100.0040.00717.78
8.2.90.0100.00019.14
8.2.80.0040.00417.97
8.2.70.0130.00017.34
8.2.60.0040.00417.80
8.2.50.0030.00518.10
8.2.40.0030.00620.64
8.2.30.0030.00521.13
8.2.20.0000.00918.03
8.2.10.0030.00317.99
8.2.00.0000.00718.10
8.1.280.0160.00325.92
8.1.270.0000.00722.13
8.1.260.0050.00226.35
8.1.250.0040.00428.09
8.1.240.0060.00322.19
8.1.230.0080.00323.93
8.1.220.0040.00417.74
8.1.210.0060.00318.77
8.1.200.0090.00017.35
8.1.190.0000.00817.35
8.1.180.0060.00318.10
8.1.170.0060.00318.58
8.1.160.0030.00319.04
8.1.150.0000.00818.75
8.1.140.0000.00819.42
8.1.130.0000.00818.81
8.1.120.0030.00317.41
8.1.110.0070.00017.32
8.1.100.0080.00017.29
8.1.90.0000.00917.34
8.1.80.0000.00717.39
8.1.70.0050.00317.41
8.1.60.0030.00617.43
8.1.50.0040.00417.31
8.1.40.0000.00817.29
8.1.30.0040.00417.57
8.1.20.0040.00417.56
8.1.10.0030.00617.47
8.1.00.0030.00617.53
8.0.300.0050.00318.77
8.0.290.0050.00316.58
8.0.280.0050.00218.37
8.0.270.0000.00617.18
8.0.260.0030.00316.71
8.0.250.0000.00716.85
8.0.240.0000.00716.81
8.0.230.0000.00816.75
8.0.220.0030.00316.72
8.0.210.0030.00316.81
8.0.200.0030.00316.86
8.0.190.0000.00716.77
8.0.180.0030.00516.91
8.0.170.0070.00016.74
8.0.160.0030.00316.84
8.0.150.0040.00416.71
8.0.140.0040.00416.77
8.0.130.0000.00713.28
8.0.120.0050.00316.76
8.0.110.0030.00316.70
8.0.100.0000.00716.79
8.0.90.0030.00516.68
8.0.80.0080.00816.77
8.0.70.0040.00416.64
8.0.60.0000.00816.83
8.0.50.0000.00816.71
8.0.30.0070.01216.93
8.0.20.0100.01017.40
8.0.10.0080.00016.72
8.0.00.0070.01016.73
7.4.330.0000.00515.55
7.4.320.0000.00616.52
7.4.300.0000.00616.50
7.4.290.0000.00716.57
7.4.280.0040.00416.43
7.4.270.0040.00416.55
7.4.260.0000.00816.41
7.4.250.0030.00316.48
7.4.240.0070.00016.52
7.4.230.0030.00316.41
7.4.220.0050.01416.37
7.4.210.0050.01116.44
7.4.200.0070.00016.52
7.4.160.0120.00416.40
7.4.150.0080.00817.40
7.4.140.0120.00717.86
7.4.130.0040.01316.49
7.4.120.0100.00816.51
7.4.110.0030.01316.41
7.4.100.0130.01016.44
7.4.90.0090.00916.51
7.4.80.0100.00719.39
7.4.70.0060.01116.34
7.4.60.0100.00716.61
7.4.50.0060.00916.52
7.4.40.0090.00616.32
7.4.30.0080.00916.41
7.4.00.0060.01214.86
7.3.330.0030.00313.13
7.3.320.0030.00312.99
7.3.310.0030.00316.12
7.3.300.0060.00016.09
7.3.290.0070.00016.21
7.3.280.0080.00816.18
7.3.270.0140.01017.40
7.3.260.0140.01116.14
7.3.250.0120.00716.24
7.3.240.0090.00816.38
7.3.230.0140.00416.20
7.3.210.0080.00816.13
7.3.200.0050.01016.18
7.3.190.0130.00316.26
7.3.180.0160.00016.38
7.3.170.0130.00316.25
7.3.160.0000.01616.45
7.3.120.0080.00814.75
7.3.110.0080.00714.60
7.3.100.0040.01114.82
7.3.90.0060.01014.80
7.3.80.0080.00714.83
7.3.70.0030.01114.67
7.3.60.0060.00714.74
7.3.50.0040.00614.79
7.3.40.0050.01114.76
7.3.30.0040.00714.56
7.3.20.0070.00616.57
7.3.10.0080.00516.50
7.3.00.0070.00516.47
7.2.330.0060.01216.39
7.2.320.0150.00816.34
7.2.310.0100.00616.59
7.2.300.0060.00916.40
7.2.290.0060.00916.45
7.2.250.0050.01014.79
7.2.240.0070.00914.76
7.2.230.0050.01115.02
7.2.220.0040.01314.82
7.2.210.0080.00814.70
7.2.200.0090.00914.80
7.2.190.0070.00814.83
7.2.180.0060.00714.91
7.2.170.0040.00614.92
7.2.60.0060.00916.52
7.2.00.0060.00919.01
7.1.330.0040.00915.77
7.1.320.0040.00815.92
7.1.310.0070.00715.76
7.1.300.0030.01115.71
7.1.290.0090.00615.73
7.1.280.0070.00815.74
7.1.270.0060.00715.64
7.1.260.0020.01015.69
7.1.200.0150.00715.41
7.1.100.0060.00318.28
7.1.70.0180.00715.06
7.1.60.0290.01033.37
7.1.50.0310.00832.63
7.1.40.0380.00732.72
7.1.30.0260.01332.45
7.1.20.0270.01432.76
7.1.10.0190.01014.81
7.1.00.0220.01514.74
7.0.200.0180.00915.14
7.0.190.0170.00714.61
7.0.180.0170.00714.59
7.0.170.0170.01014.43
7.0.160.0170.01114.56
7.0.150.0200.00814.50
7.0.140.0220.00714.61
7.0.130.0250.01114.71
7.0.120.0160.01314.66
7.0.110.0200.01014.53
7.0.100.0220.00914.23
7.0.90.0140.01114.48
7.0.80.2780.01314.58
7.0.70.0190.00614.51
7.0.60.0200.00714.38
7.0.50.0180.01114.45
7.0.40.0200.00614.81
7.0.30.0160.01014.75
7.0.20.0180.00714.83
7.0.10.0170.01014.64
7.0.00.0180.00714.83

preferences:
36.15 ms | 401 KiB | 5 Q