3v4l.org

run code in 300+ PHP versions simultaneously
<?php $my_array['index1']['index2'] = 'foo'; unset( $my_array['index1']['index2'] ); var_dump( $my_array );

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)
8.3.60.0040.01116.63
8.3.50.0100.00821.07
8.3.40.0120.00418.68
8.3.30.0200.00318.59
8.3.20.0080.00020.16
8.3.10.0110.00421.90
8.3.00.0070.00023.56
8.2.180.0060.01316.63
8.2.170.0170.00322.96
8.2.160.0070.01020.35
8.2.150.0060.00324.18
8.2.140.0080.00024.66
8.2.130.0000.00719.83
8.2.120.0000.00826.35
8.2.110.0040.00422.30
8.2.100.0070.00417.93
8.2.90.0050.00319.22
8.2.80.0030.00617.97
8.2.70.0060.00317.63
8.2.60.0050.00317.93
8.2.50.0040.00418.07
8.2.40.0040.00422.14
8.2.30.0030.00619.41
8.2.20.0070.00017.60
8.2.10.0000.00818.05
8.2.00.0000.00718.12
8.1.280.0110.01125.92
8.1.270.0000.00823.87
8.1.260.0040.00428.09
8.1.250.0040.00428.09
8.1.240.0030.00623.88
8.1.230.0080.00419.14
8.1.220.0000.00817.77
8.1.210.0040.00418.77
8.1.200.0060.00317.00
8.1.190.0050.00517.23
8.1.180.0000.00718.10
8.1.170.0050.00318.39
8.1.160.0040.00420.68
8.1.150.0040.00418.76
8.1.140.0050.00319.51
8.1.130.0040.00417.63
8.1.120.0040.00417.33
8.1.110.0030.00617.29
8.1.100.0000.00717.38
8.1.90.0000.00717.37
8.1.80.0040.00417.45
8.1.70.0040.00417.43
8.1.60.0060.00317.50
8.1.50.0060.00317.46
8.1.40.0040.00417.45
8.1.30.0030.00617.60
8.1.20.0040.00417.50
8.1.10.0000.00817.54
8.1.00.0070.00017.33
8.0.300.0000.00818.77
8.0.290.0040.00416.63
8.0.280.0000.00718.34
8.0.270.0070.00017.06
8.0.260.0030.00317.09
8.0.250.0030.00316.91
8.0.240.0030.00316.93
8.0.230.0070.00016.88
8.0.220.0080.00016.73
8.0.210.0000.00716.75
8.0.200.0030.00316.81
8.0.190.0050.00516.80
8.0.180.0040.00416.88
8.0.170.0030.00616.74
8.0.160.0000.00716.84
8.0.150.0070.00016.71
8.0.140.0000.00716.78
8.0.130.0000.00713.18
8.0.120.0050.00316.70
8.0.110.0050.00316.88
8.0.100.0040.00416.88
8.0.90.0040.00416.71
8.0.80.0120.00616.84
8.0.70.0040.00416.64
8.0.60.0000.00716.79
8.0.50.0000.00716.67
8.0.30.0090.00916.82
8.0.20.0100.00817.40
8.0.10.0060.00316.79
8.0.00.0120.00916.62
7.4.330.0040.00016.84
7.4.320.0000.00616.59
7.4.300.0040.00416.50
7.4.290.0030.00316.46
7.4.280.0070.00316.49
7.4.270.0000.00716.51
7.4.260.0000.00816.44
7.4.250.0060.00316.36
7.4.240.0020.00616.57
7.4.230.0070.00016.52
7.4.220.0100.00616.70
7.4.210.0040.01116.66
7.4.200.0070.00016.69
7.4.160.0100.01016.41
7.4.150.0140.00317.40
7.4.140.0120.01017.86
7.4.130.0050.01416.46
7.4.120.0090.00916.40
7.4.110.0230.02016.42
7.4.100.0040.01416.33
7.4.90.0090.00916.49
7.4.80.0060.01219.39
7.4.70.0090.00916.28
7.4.60.0120.00616.27
7.4.50.0100.00616.39
7.4.40.0100.00716.61
7.4.30.0160.00416.58
7.4.00.0030.01214.55
7.3.330.0050.00013.20
7.3.320.0000.00612.99
7.3.310.0050.00316.11
7.3.300.0070.00016.24
7.3.290.0040.00416.07
7.3.280.0090.00716.26
7.3.270.0110.00617.40
7.3.260.0090.01316.28
7.3.250.0110.00816.27
7.3.240.0080.01316.38
7.3.230.0080.00816.39
7.3.210.0100.00716.22
7.3.200.0090.00619.39
7.3.190.0090.00916.55
7.3.180.0060.01016.43
7.3.170.0140.00916.38
7.3.160.0100.00716.23
7.2.330.0060.01216.59
7.2.320.0070.01016.80
7.2.310.0130.00716.53
7.2.300.0090.01216.23
7.2.290.0110.00516.35
7.2.60.0100.00716.58
7.2.00.0220.00618.46
7.1.200.0040.01215.72
7.1.100.0090.00618.30
7.1.70.0050.00217.02
7.1.60.0130.01019.27
7.1.50.0130.01316.72
7.1.00.0070.07322.55
7.0.200.0000.01016.78
7.0.60.0200.05721.62
7.0.50.0070.08317.79
7.0.40.0030.04320.27
7.0.30.0300.06720.02
7.0.20.0230.06720.04
7.0.10.0100.08320.02
7.0.00.0030.04320.16
5.6.280.0000.08021.02
5.6.210.0030.08720.76
5.6.200.0070.04318.15
5.6.190.0100.03720.41
5.6.180.0500.06720.35
5.6.170.0270.06720.38
5.6.160.0000.05320.38
5.6.150.0030.05718.22
5.6.140.0070.04018.18
5.6.130.0100.08018.16
5.6.120.0100.06721.11
5.6.110.0130.03320.98
5.6.100.0130.07721.00
5.6.90.0070.07020.97
5.6.80.0070.04020.41
5.5.350.0000.03320.40
5.5.340.0000.04017.84
5.5.330.0130.08320.19
5.5.320.0330.06320.26
5.5.310.0230.05720.14
5.5.300.0000.06317.90
5.5.290.0100.07718.00
5.5.280.0070.05020.88
5.5.270.0030.07720.72
5.5.260.0100.05320.85
5.5.250.0100.07020.57
5.5.240.0000.04320.33

preferences:
55.12 ms | 401 KiB | 5 Q