3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = [[1, 2], [1, 2]]; $a["b"] = [1, 3]; $a["a"] = [1, 3]; $a[5] = [1, 3]; $b = "1"; if (+$b) echo "1\n\n\n"; 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)
8.3.60.0070.00716.63
8.3.50.0100.00316.26
8.3.40.0070.00718.80
8.3.30.0110.00418.50
8.3.20.0040.00420.25
8.3.10.0080.00021.75
8.3.00.0040.00421.84
8.2.180.0070.01418.23
8.2.170.0070.01722.96
8.2.160.0100.00318.83
8.2.150.0000.00724.18
8.2.140.0040.00424.66
8.2.130.0040.00421.07
8.2.120.0080.00026.35
8.2.110.0100.00020.94
8.2.100.0110.00018.22
8.2.90.0030.00619.16
8.2.80.0000.00817.97
8.2.70.0030.00717.63
8.2.60.0040.00417.93
8.2.50.0000.00818.10
8.2.40.0000.00720.53
8.2.30.0000.00821.04
8.2.20.0030.00618.18
8.2.10.0040.00418.04
8.2.00.0000.00818.17
8.1.280.0220.00025.92
8.1.270.0050.00222.19
8.1.260.0040.00426.35
8.1.250.0050.00328.09
8.1.240.0030.00623.80
8.1.230.0040.00719.15
8.1.220.0000.00917.74
8.1.210.0050.00318.77
8.1.200.0060.00317.25
8.1.190.0000.00817.23
8.1.180.0060.00318.10
8.1.170.0040.00418.46
8.1.160.0000.00718.93
8.1.150.0060.00320.52
8.1.140.0040.00419.51
8.1.130.0030.00318.73
8.1.120.0070.00017.30
8.1.110.0000.00817.25
8.1.100.0040.00417.45
8.1.90.0040.00417.43
8.1.80.0070.00017.42
8.1.70.0000.00717.43
8.1.60.0040.00417.41
8.1.50.0050.00317.46
8.1.40.0030.00517.36
8.1.30.0040.00417.56
8.1.20.0000.00717.53
8.1.10.0030.00617.55
8.1.00.0000.00717.52
8.0.300.0040.00418.77
8.0.290.0050.00316.75
8.0.280.0070.00018.34
8.0.270.0000.00717.12
8.0.260.0000.00616.81
8.0.250.0000.00716.99
8.0.240.0000.00716.91
8.0.230.0000.00816.81
8.0.220.0000.00716.80
8.0.210.0070.00016.82
8.0.200.0000.00716.85
8.0.190.0080.00016.90
8.0.180.0000.00716.86
8.0.170.0000.00816.91
8.0.160.0050.00516.92
8.0.150.0050.00216.65
8.0.140.0070.00016.72
8.0.130.0060.00013.31
8.0.120.0040.00416.86
8.0.110.0000.00816.86
8.0.100.0080.00016.82
8.0.90.0040.00416.79
8.0.80.0080.00616.74
8.0.70.0040.00416.87
8.0.60.0000.00716.72
8.0.50.0040.00316.66
8.0.30.0050.01017.13
8.0.20.0090.01017.40
8.0.10.0060.00317.00
8.0.00.0090.00916.63
7.4.330.0050.00015.55
7.4.320.0000.00616.43
7.4.300.0000.00616.54
7.4.290.0070.00016.33
7.4.280.0040.00416.53
7.4.270.0000.00716.53
7.4.260.0000.00816.41
7.4.250.0080.00016.54
7.4.240.0000.00716.45
7.4.230.0030.00316.51
7.4.220.0090.01216.55
7.4.210.0080.00616.60
7.4.200.0030.00316.46
7.4.160.0040.01216.61
7.4.150.0120.00617.40
7.4.140.0140.00317.86
7.4.130.0110.01416.70
7.4.120.0120.00816.52
7.4.110.0030.01716.41
7.4.100.0150.00416.47
7.4.90.0110.00916.51
7.4.80.0070.01019.39
7.4.70.0100.00616.32
7.4.60.0100.01016.57
7.4.50.0060.00916.56
7.4.40.0130.00316.32
7.4.30.0060.01616.55
7.4.00.0070.01014.97
7.3.330.0030.00313.11
7.3.320.0000.00513.09
7.3.310.0030.00316.11
7.3.300.0030.00316.16
7.3.290.0070.00016.28
7.3.280.0080.00816.24
7.3.270.0100.00717.40
7.3.260.0100.00816.53
7.3.250.0100.00716.24
7.3.240.0090.01016.35
7.3.230.0170.00616.61
7.3.210.0110.00616.54
7.3.200.0030.01316.64
7.3.190.0050.01116.38
7.3.180.0140.00416.54
7.3.170.0080.00916.37
7.3.160.0060.01016.45
7.3.10.0080.00816.64
7.3.00.0000.01316.62
7.2.330.0170.00016.68
7.2.320.0120.00616.53
7.2.310.0080.00816.63
7.2.300.0070.01016.39
7.2.290.0160.00016.44
7.2.130.0090.00616.82
7.2.120.0060.00616.54
7.2.110.0030.00617.13
7.2.100.0040.00816.75
7.2.90.0070.00716.80
7.2.80.0070.00717.02
7.2.70.0000.01616.63
7.2.60.0050.01116.84
7.2.50.0070.01016.76
7.2.40.0030.01216.91
7.2.30.0070.00417.03
7.2.20.0100.00716.95
7.2.10.0080.00816.65
7.2.00.0040.00918.04
7.1.250.0040.00815.73
7.1.200.0070.00715.82
7.1.100.0050.00517.82
7.1.70.0130.00617.16
7.1.60.0270.01435.02
7.1.50.0320.01034.85
7.1.40.0340.01834.35
7.1.30.0520.01432.54
7.1.20.0310.02134.54
7.1.10.0060.01516.69
7.1.00.0240.01716.52
7.0.200.0150.00716.67
7.0.190.0110.00716.67
7.0.180.0280.01614.40
7.0.170.0130.01116.46
7.0.160.0060.01716.30
7.0.150.0240.02414.55
7.0.140.0140.00416.12
7.0.130.0040.01816.63
7.0.120.0090.01216.43
7.0.110.0120.00916.25
7.0.100.0030.01516.23
7.0.90.0060.01216.22
7.0.80.0050.01416.52
7.0.70.0030.02016.36
7.0.60.0150.00916.16
7.0.50.0150.00716.28
7.0.40.0030.01216.44
7.0.30.0110.01116.51
7.0.20.0100.01316.18
7.0.10.0060.01616.45
7.0.00.0160.00916.54

preferences:
40.14 ms | 401 KiB | 5 Q