3v4l.org

run code in 300+ PHP versions simultaneously
<?php $students= array ( "Name" => array("akash", "jag", "yasin"), "numbers" => array(1, 2, 3, 4, 5, 6), "holes" => array("first", 5 => "second", "third") ); print_r($students); unset($students[2]); ?>

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)
8.3.70.0110.00416.58
8.3.60.0110.00316.63
8.3.50.0100.00621.91
8.3.40.0040.01118.77
8.3.30.0070.00718.84
8.3.20.0080.00020.28
8.3.10.0070.00023.74
8.3.00.0040.00419.06
8.2.180.0120.00316.63
8.2.170.0100.01022.96
8.2.160.0100.00320.16
8.2.150.0070.00024.18
8.2.140.0080.00024.66
8.2.130.0070.00026.16
8.2.120.0000.00820.85
8.2.110.0050.00522.00
8.2.100.0080.00420.35
8.2.90.0040.00419.16
8.2.80.0040.00417.97
8.2.70.0040.00417.63
8.2.60.0030.00517.93
8.2.50.0050.00318.07
8.2.40.0040.00418.22
8.2.30.0040.00418.36
8.2.20.0090.00017.65
8.2.10.0000.00717.86
8.2.00.0040.00417.51
8.1.280.0060.01225.92
8.1.270.0000.00823.83
8.1.260.0080.00026.35
8.1.250.0040.00428.09
8.1.240.0040.00421.84
8.1.230.0000.01219.16
8.1.220.0000.00817.74
8.1.210.0040.00418.77
8.1.200.0030.00617.22
8.1.190.0000.00816.88
8.1.180.0040.00418.10
8.1.170.0040.00418.41
8.1.160.0000.00821.94
8.1.150.0040.00418.48
8.1.140.0080.00017.30
8.1.130.0030.00317.73
8.1.120.0030.00317.22
8.1.110.0040.00417.36
8.1.100.0070.00017.43
8.1.90.0000.00717.39
8.1.80.0050.00217.39
8.1.70.0060.00017.29
8.1.60.0000.00817.53
8.1.50.0040.00417.46
8.1.40.0000.00717.35
8.1.30.0000.00817.57
8.1.20.0080.00017.49
8.1.10.0000.00717.30
8.1.00.0000.00817.44
8.0.300.0040.00418.77
8.0.290.0060.00316.58
8.0.280.0000.00718.24
8.0.270.0030.00317.09
8.0.260.0030.00317.06
8.0.250.0070.00016.89
8.0.240.0050.00216.79
8.0.230.0030.00316.90
8.0.220.0000.00716.70
8.0.210.0070.00016.74
8.0.200.0050.00316.92
8.0.190.0000.00816.83
8.0.180.0000.00716.73
8.0.170.0040.00416.86
8.0.160.0000.00816.80
8.0.150.0070.00016.80
8.0.140.0030.00516.78
8.0.130.0030.00313.23
8.0.120.0080.00016.76
8.0.110.0050.00316.84
8.0.100.0030.00316.76
8.0.90.0030.00516.80
8.0.80.0060.00816.83
8.0.70.0030.00516.71
8.0.60.0040.00416.66
8.0.50.0040.00416.78
8.0.30.0080.01017.06
8.0.20.0090.00917.40
8.0.10.0040.00416.75
8.0.00.0100.01016.81
7.4.330.0050.00015.00
7.4.320.0070.00016.42
7.4.300.0070.00016.55
7.4.290.0030.00316.55
7.4.280.0070.00016.45
7.4.270.0000.00716.55
7.4.260.0030.00316.43
7.4.250.0070.00016.37
7.4.240.0040.00416.63
7.4.230.0030.00316.70
7.4.220.0110.00716.61
7.4.210.0030.01016.47
7.4.200.0070.00016.38
7.4.190.0050.00316.67
7.4.160.0080.00816.53
7.4.150.0090.00917.40
7.4.140.0100.00717.86
7.4.130.0070.01116.46
7.4.120.0090.00816.53
7.4.110.0030.01316.36
7.4.100.0070.01016.37
7.4.90.0080.00816.31
7.4.80.0090.01319.39
7.4.70.0090.00616.55
7.4.60.0150.00616.44
7.4.50.0000.00416.26
7.4.40.0130.00716.45
7.4.30.0120.00816.47
7.4.00.0080.00814.63
7.3.330.0000.00513.01
7.3.320.0030.00312.91
7.3.310.0040.00416.12
7.3.300.0030.00316.19
7.3.290.0090.01116.22
7.3.280.0060.01316.18
7.3.270.0100.00717.40
7.3.260.0080.01216.34
7.3.250.0080.00916.21
7.3.240.0090.00916.53
7.3.230.0130.00616.39
7.3.210.0140.00416.39
7.3.200.0030.01319.39
7.3.190.0140.00316.27
7.3.180.0030.01316.26
7.3.170.0100.00616.46
7.3.160.0150.00316.20
7.3.120.0070.00914.55
7.3.110.0110.00714.93
7.3.100.0000.01214.44
7.3.90.0060.00614.76
7.3.80.0070.00314.54
7.3.70.0070.01314.75
7.3.60.0050.00514.81
7.3.50.0110.00414.56
7.3.40.0000.01014.63
7.3.30.0090.00614.82
7.3.20.0070.00316.48
7.3.10.0000.01416.20
7.3.00.0070.00416.58
7.2.330.0140.00416.63
7.2.320.0150.00316.14
7.2.310.0040.01616.45
7.2.300.0000.01616.21
7.2.290.0190.00316.54
7.2.250.0070.01115.13
7.2.240.0070.01314.78
7.2.230.0060.00914.99
7.2.220.0040.00814.77
7.2.210.0090.00614.95
7.2.200.0040.01514.84
7.2.190.0090.00414.86
7.2.180.0070.00414.91
7.2.170.0120.00314.90
7.2.00.0030.01018.95
7.1.330.0090.00615.83
7.1.320.0030.00715.67
7.1.310.0120.00615.93
7.1.300.0040.00815.72
7.1.290.0040.00815.83
7.1.280.0090.00615.75
7.1.270.0130.00315.69
7.1.260.0000.01415.61
7.1.100.0040.00817.86
7.1.70.0000.00917.16
7.1.60.0070.01619.70
7.1.50.0130.01616.83
7.1.00.0100.07022.31
7.0.200.0030.00616.70
7.0.140.0000.07722.05
7.0.60.0070.07720.01
7.0.50.0030.04017.80
7.0.40.0070.07320.26
7.0.30.0270.08320.23
7.0.20.0230.04020.15
7.0.10.0070.04320.21
7.0.00.0030.09320.25
5.6.280.0070.07020.86
5.6.210.0000.09020.69
5.6.200.0030.05318.18
5.6.190.0170.07320.77
5.6.180.0200.04320.41
5.6.170.0330.04720.51
5.6.160.0070.08720.45
5.6.150.0100.07718.28
5.6.140.0030.07318.25
5.6.130.0130.07018.17
5.6.120.0130.08321.01
5.6.110.0130.05321.02
5.6.100.0130.06020.96
5.6.90.0100.07021.09
5.6.80.0170.07320.36
5.5.350.0030.07320.43
5.5.340.0030.05017.97
5.5.330.0030.06020.18
5.5.320.0430.07020.14
5.5.310.0300.07720.34
5.5.300.0030.04017.99
5.5.290.0170.07017.97
5.5.280.0100.08320.68
5.5.270.0070.08020.75
5.5.260.0070.06020.75
5.5.250.0070.08020.61
5.5.240.4000.04020.15
5.4.450.0300.03719.42
5.4.440.0600.05019.66
5.4.430.0270.03019.45
5.4.420.0330.04719.47
5.4.410.0170.03319.44
5.4.400.0200.05019.22
5.4.390.0200.05019.24
5.4.380.0230.04718.78
5.4.370.0200.04718.75
5.4.360.0100.05318.48
5.4.350.0170.05318.50
5.4.340.0170.05718.51
5.4.320.0060.05112.48
5.4.310.0070.04012.48
5.4.300.0060.03912.48
5.4.290.0060.04412.48
5.4.280.0090.03912.38
5.4.270.0050.04212.38
5.4.260.0110.04812.38
5.4.250.0100.05712.38
5.4.240.0130.03612.38
5.4.230.0110.04312.37
5.4.220.0140.04812.37
5.4.210.0070.05012.37
5.4.200.0080.05812.37
5.4.190.0100.04512.37
5.4.180.0060.04712.36
5.4.170.0090.04412.38
5.4.160.0100.05212.38
5.4.150.0150.04612.37
5.4.140.0130.03812.04
5.4.130.0090.03812.04
5.4.120.0110.05012.00
5.4.110.0080.03911.99
5.4.100.0100.03411.99
5.4.90.0110.05912.00
5.4.80.0110.07511.99
5.4.70.0100.05611.99
5.4.60.0150.06211.99
5.4.50.0100.05111.99
5.4.40.0150.04611.98
5.4.30.0070.05211.98
5.4.20.0130.05011.98
5.4.10.0080.05111.98
5.4.00.0100.03811.47
5.3.290.0070.04312.80
5.3.280.0070.04212.71
5.3.270.0120.04612.73
5.3.260.0080.05212.72
5.3.250.0080.05512.72
5.3.240.0110.04012.72
5.3.230.0070.05412.70
5.3.220.0150.03512.68
5.3.210.0080.05812.68
5.3.200.0070.04412.68
5.3.190.0090.05312.68
5.3.180.0100.05112.67
5.3.170.0120.08712.67
5.3.160.0110.05012.68
5.3.150.0080.05412.67
5.3.140.0080.05012.66
5.3.130.0120.06712.66
5.3.120.0090.05612.66
5.3.110.0090.05612.66
5.3.100.0100.04212.12
5.3.90.0070.04012.09
5.3.80.0060.04512.08
5.3.70.0070.04112.08
5.3.60.0090.04312.06
5.3.50.0090.04812.01
5.3.40.0140.06112.01
5.3.30.0190.07911.97
5.3.20.0090.04711.75
5.3.10.0100.04711.72
5.3.00.0080.06111.71
5.2.170.0090.0739.21
5.2.160.0180.0769.20
5.2.150.0110.0429.21
5.2.140.0080.0529.20
5.2.130.0060.0459.16
5.2.120.0020.0359.16
5.2.110.0070.0299.17
5.2.100.0060.0309.16
5.2.90.0070.0289.16
5.2.80.0020.0389.16
5.2.70.0080.0309.16
5.2.60.0050.0339.11
5.2.50.0080.0299.08
5.2.40.0100.0269.05
5.2.30.0060.0439.04
5.2.20.0040.0349.02
5.2.10.0070.0298.94
5.2.00.0050.0338.79
5.1.60.0090.0238.08
5.1.50.0060.0278.07
5.1.40.0050.0268.06
5.1.30.0050.0258.41
5.1.20.0060.0258.43
5.1.10.0080.0238.15
5.1.00.0050.0268.15
5.0.50.0040.0206.63
5.0.40.0040.0296.49
5.0.30.0060.0316.30
5.0.20.0040.0206.27
5.0.10.0030.0216.25
5.0.00.0070.0286.24
4.4.90.0020.0164.78
4.4.80.0020.0174.76
4.4.70.0030.0164.76
4.4.60.0050.0154.75
4.4.50.0040.0154.77
4.4.40.0040.0304.70
4.4.30.0060.0134.76
4.4.20.0030.0164.85
4.4.10.0070.0124.85
4.4.00.0060.0244.76
4.3.110.0060.0214.67
4.3.100.0040.0144.66
4.3.90.0040.0144.63
4.3.80.0020.0264.58
4.3.70.0050.0154.63
4.3.60.0050.0194.63
4.3.50.0030.0184.63
4.3.40.0030.0294.54
4.3.30.0040.0203.29
4.3.20.0090.0643.27
4.3.10.0040.0193.23
4.3.00.0070.01316.93

preferences:
38.35 ms | 401 KiB | 5 Q