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]; $b = ""; if (strlen($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)
8.3.60.0040.01116.25
8.3.50.0070.01116.27
8.3.40.0070.00718.71
8.3.30.0060.00918.77
8.3.20.0050.00320.34
8.3.10.0040.00421.72
8.3.00.0040.00421.97
8.2.180.0070.01416.63
8.2.170.0140.00322.96
8.2.160.0040.01118.91
8.2.150.0050.00224.18
8.2.140.0080.00024.66
8.2.130.0070.00021.18
8.2.120.0080.00026.35
8.2.110.0000.00920.90
8.2.100.0090.00317.95
8.2.90.0050.00319.28
8.2.80.0090.00017.97
8.2.70.0030.00717.25
8.2.60.0080.00017.93
8.2.50.0060.00318.10
8.2.40.0000.00720.59
8.2.30.0040.00420.98
8.2.20.0000.00718.04
8.2.10.0040.00418.08
8.2.00.0050.00318.11
8.1.280.0110.00725.92
8.1.270.0000.00722.05
8.1.260.0050.00326.35
8.1.250.0040.00428.09
8.1.240.0120.00823.88
8.1.230.0060.00619.07
8.1.220.0050.00517.74
8.1.210.0040.00418.77
8.1.200.0000.00917.35
8.1.190.0000.00817.23
8.1.180.0030.00518.10
8.1.170.0000.00918.53
8.1.160.0040.00318.88
8.1.150.0040.00420.52
8.1.140.0020.00519.41
8.1.130.0000.00718.78
8.1.120.0040.00417.30
8.1.110.0000.00817.24
8.1.100.0040.00417.32
8.1.90.0080.00017.43
8.1.80.0030.00317.38
8.1.70.0000.00717.29
8.1.60.0000.00817.55
8.1.50.0030.00517.42
8.1.40.0030.00617.45
8.1.30.0000.00817.57
8.1.20.0050.00317.51
8.1.10.0040.00417.46
8.1.00.0040.00417.47
8.0.300.0070.00018.77
8.0.290.0000.00816.58
8.0.280.0000.00818.38
8.0.270.0040.00417.10
8.0.260.0070.00016.79
8.0.250.0000.00716.87
8.0.240.0070.00016.84
8.0.230.0070.00016.81
8.0.220.0030.00316.71
8.0.210.0040.00416.77
8.0.200.0030.00316.87
8.0.190.0040.00416.89
8.0.180.0040.00416.85
8.0.170.0080.00016.87
8.0.160.0110.00016.79
8.0.150.0000.00816.77
8.0.140.0070.00016.77
8.0.130.0050.00013.29
8.0.120.0080.00016.78
8.0.110.0070.00016.71
8.0.100.0040.00416.79
8.0.90.0000.00716.81
8.0.80.0060.01216.77
8.0.70.0070.00016.77
8.0.60.0080.00016.71
8.0.50.0070.00016.93
8.0.30.0090.00817.04
8.0.20.0110.00717.40
8.0.10.0080.00016.81
8.0.00.0030.01316.59
7.4.330.0060.00015.55
7.4.320.0000.00716.54
7.4.300.0000.00616.45
7.4.290.0000.00816.53
7.4.280.0050.00316.44
7.4.270.0030.00316.51
7.4.260.0060.00316.51
7.4.250.0030.00316.51
7.4.240.0000.00716.48
7.4.230.0020.00516.51
7.4.220.0130.00316.51
7.4.210.0120.00516.54
7.4.200.0020.00516.34
7.4.160.0130.00816.49
7.4.150.0130.00317.40
7.4.140.0090.00917.86
7.4.130.0150.00416.57
7.4.120.0100.01216.51
7.4.110.0030.01416.63
7.4.100.0130.01016.54
7.4.90.0190.00616.39
7.4.80.0130.01019.39
7.4.70.0100.00716.58
7.4.60.0060.00916.39
7.4.50.0030.00816.47
7.4.40.0080.00916.36
7.4.30.0040.01416.45
7.4.00.0070.01014.83
7.3.330.0020.00313.10
7.3.320.0030.00313.02
7.3.310.0050.00216.29
7.3.300.0040.00416.05
7.3.290.0000.00616.23
7.3.280.0090.00716.19
7.3.270.0120.00417.40
7.3.260.0110.00916.28
7.3.250.0080.01116.42
7.3.240.0100.00816.33
7.3.230.0030.01416.22
7.3.210.0100.00716.40
7.3.200.0100.00716.28
7.3.190.0120.00916.43
7.3.180.0170.00316.54
7.3.170.0130.00316.29
7.3.160.0120.00316.31
7.2.330.0060.01116.55
7.2.320.0000.01716.55
7.2.310.0100.00616.41
7.2.300.0130.00916.34
7.2.290.0110.01116.56
7.2.60.0060.00916.37
7.2.00.0030.01019.08
7.1.200.0230.00515.51
7.1.100.0060.00617.90
7.1.70.0060.01317.28
7.1.60.0420.00635.05
7.1.50.0230.02034.90
7.1.40.0210.01434.42
7.1.30.0210.01634.48
7.1.20.0320.01434.38
7.1.10.0070.00916.41
7.1.00.0030.01516.36
7.0.200.0150.00616.69
7.0.190.0090.01216.71
7.0.180.0090.01316.23
7.0.170.0160.00316.21
7.0.160.0030.01316.51
7.0.150.0120.00616.19
7.0.140.0100.01816.26
7.0.130.0160.00916.37
7.0.120.0100.01116.46
7.0.110.0000.01916.05
7.0.100.0070.01016.21
7.0.90.0030.01916.48
7.0.80.0060.01916.23
7.0.70.0040.01516.39
7.0.60.0060.01316.04
7.0.50.0100.01316.57
7.0.40.0120.00916.44
7.0.30.0160.00416.44
7.0.20.0080.01216.36
7.0.10.0070.01116.57
7.0.00.0090.00816.58

preferences:
44.43 ms | 401 KiB | 5 Q