3v4l.org

run code in 300+ PHP versions simultaneously
<?php $array = array ( '_id' => 1, 'month' => '052014', 'studId' => 'STU140528155358', 1 => 'p', 2 => null, 3 => null,4 => null,12 => 'a' ); var_dump($array[3]);

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)
8.3.60.0140.00716.63
8.3.50.0110.00921.95
8.3.40.0050.01018.54
8.3.30.0110.00418.82
8.3.20.0050.00320.09
8.3.10.0050.00323.65
8.3.00.0080.00019.13
8.2.180.0070.00718.16
8.2.170.0140.00022.96
8.2.160.0100.00320.47
8.2.150.0000.00724.18
8.2.140.0040.00424.66
8.2.130.0070.00026.16
8.2.120.0070.00022.02
8.2.110.0080.00022.08
8.2.100.0100.00317.72
8.2.90.0040.00419.22
8.2.80.0060.00317.97
8.2.70.0060.00317.63
8.2.60.0040.00417.80
8.2.50.0000.00818.07
8.2.40.0040.00419.88
8.2.30.0030.00618.05
8.2.20.0050.00317.78
8.2.10.0040.00418.00
8.2.00.0070.00417.60
8.1.280.0040.01125.92
8.1.270.0040.00421.91
8.1.260.0040.00426.35
8.1.250.0070.00028.09
8.1.240.0040.00423.87
8.1.230.0090.00319.15
8.1.220.0020.00517.74
8.1.210.0030.00518.77
8.1.200.0040.00417.22
8.1.190.0040.00417.39
8.1.180.0090.00418.10
8.1.170.0080.00018.35
8.1.160.0030.00521.94
8.1.150.0000.00718.61
8.1.140.0070.00017.37
8.1.130.0000.00717.75
8.1.120.0050.00217.30
8.1.110.0080.00017.25
8.1.100.0030.00317.36
8.1.90.0040.00417.38
8.1.80.0080.00017.39
8.1.70.0030.00317.36
8.1.60.0040.00417.51
8.1.50.0000.00817.36
8.1.40.0050.00317.45
8.1.30.0040.00417.47
8.1.20.0080.00017.66
8.1.10.0040.00417.39
8.1.00.0000.00717.45
8.0.300.0040.00419.27
8.0.290.0000.00716.93
8.0.280.0040.00418.33
8.0.270.0030.00317.18
8.0.260.0030.00317.21
8.0.250.0070.00016.84
8.0.240.0040.00416.90
8.0.230.0040.00416.79
8.0.220.0000.00716.81
8.0.210.0000.00716.80
8.0.200.0060.00016.79
8.0.190.0030.00316.78
8.0.180.0050.00316.75
8.0.170.0000.00816.84
8.0.160.0070.00016.84
8.0.150.0070.00416.60
8.0.140.0040.00416.75
8.0.130.0060.00013.17
8.0.120.0000.00816.77
8.0.110.0000.00816.88
8.0.100.0000.00716.86
8.0.90.0040.00416.80
8.0.80.0090.00616.81
8.0.70.0000.00816.71
8.0.60.0040.00416.64
8.0.50.0050.00216.67
8.0.30.0080.01316.89
8.0.20.0050.01317.40
8.0.10.0060.00316.98
8.0.00.0110.00916.72
7.4.330.0000.00515.00
7.4.320.0000.00616.43
7.4.300.0060.00016.57
7.4.290.0070.00016.44
7.4.280.0040.00416.53
7.4.270.0070.00016.45
7.4.260.0040.00416.50
7.4.250.0040.00416.53
7.4.240.0030.00316.53
7.4.230.0000.00716.50
7.4.220.0100.00716.51
7.4.210.0070.00816.48
7.4.200.0000.00716.54
7.4.190.0000.00716.40
7.4.160.0100.00716.44
7.4.150.0090.00817.40
7.4.140.0110.01117.86
7.4.130.0100.00716.41
7.4.120.0130.00516.38
7.4.110.0160.00716.23
7.4.100.0100.01316.59
7.4.90.0100.00716.48
7.4.80.0130.00919.39
7.4.70.0090.00616.35
7.4.60.0130.00616.37
7.4.50.0000.00816.43
7.4.40.0100.00322.77
7.4.30.0120.00416.54
7.4.00.0060.00915.04
7.3.330.0050.00013.03
7.3.320.0000.00512.93
7.3.310.0040.00416.14
7.3.300.0000.00616.05
7.3.290.0200.00016.21
7.3.280.0080.01116.13
7.3.270.0140.00317.40
7.3.260.0100.00616.45
7.3.250.0090.01116.32
7.3.240.0070.01016.34
7.3.230.0100.00616.55
7.3.210.0040.01316.25
7.3.200.0160.00619.39
7.3.190.0140.00816.49
7.3.180.0130.00316.45
7.3.170.0060.00916.27
7.3.160.0060.01016.13
7.3.120.0170.00014.64
7.3.00.0070.00716.71
7.2.330.0070.01016.32
7.2.320.0060.01216.50
7.2.310.0090.01216.31
7.2.300.0150.00016.24
7.2.290.0130.01016.53
7.2.130.0120.00316.95
7.2.120.0000.01216.84
7.2.110.0000.01016.89
7.2.100.0000.01616.76
7.2.90.0060.00616.86
7.2.80.0040.00816.60
7.2.70.0060.00316.76
7.2.60.0030.01016.88
7.2.50.0040.01416.87
7.2.40.0100.00617.02
7.2.30.0100.00016.71
7.2.20.0030.01016.71
7.2.10.0000.01516.50
7.2.00.0050.00918.00
7.1.250.0030.00715.86
7.1.240.0060.00615.90
7.1.230.0080.00815.74
7.1.220.0100.00015.84
7.1.210.0030.01315.84
7.1.200.0080.00315.81
7.1.190.0030.00615.83
7.1.180.0070.00315.76
7.1.170.0070.00815.82
7.1.160.0100.00015.76
7.1.150.0040.00715.80
7.1.140.0070.00415.59
7.1.130.0060.00615.86
7.1.120.0000.01115.49
7.1.110.0110.00315.89
7.1.100.0050.00616.96
7.1.90.0040.01215.62
7.1.80.0000.01415.55
7.1.70.0070.00316.43
7.1.60.0110.00917.54
7.1.50.0080.01016.24
7.1.40.0040.00915.47
7.1.30.0080.00415.82
7.1.20.0030.01015.55
7.1.10.0120.00315.78
7.1.00.0100.03718.79
7.0.330.0120.00015.26
7.0.320.0060.00615.28
7.0.310.0070.00715.12
7.0.300.0090.00015.33
7.0.290.0100.00615.25
7.0.280.0070.00715.06
7.0.270.0100.00315.23
7.0.260.0090.00615.34
7.0.250.0100.00015.41
7.0.240.0030.00615.34
7.0.230.0070.00315.08
7.0.220.0070.00715.02
7.0.210.0070.00715.48
7.0.200.0030.00916.16
7.0.190.0040.00715.39
7.0.180.0060.00615.26
7.0.170.0070.00715.38
7.0.160.0060.00615.54
7.0.150.0030.01315.42
7.0.140.0010.04318.77
7.0.130.0060.00615.49
7.0.120.0000.01215.30
7.0.110.0040.00715.44
7.0.100.0070.00715.53
7.0.90.0090.00615.30
7.0.80.0070.00715.39
7.0.70.0060.00315.54
7.0.60.0090.04217.63
7.0.50.0050.04516.65
7.0.40.0100.04316.66
7.0.30.0180.04316.88
7.0.20.0220.04016.70
7.0.10.0030.02916.43
7.0.00.0050.03316.60
5.6.380.0060.00614.50
5.6.370.0050.00514.32
5.6.360.0000.01514.31
5.6.350.0110.00314.51
5.6.340.0100.00314.60
5.6.330.0070.00713.90
5.6.320.0060.00614.37
5.6.310.0040.01114.21
5.6.300.0070.00714.29
5.6.290.0060.01014.45
5.6.280.0110.00314.32
5.6.270.0060.00914.39
5.6.260.0000.00914.34
5.6.250.0040.01114.04
5.6.240.0090.00614.30
5.6.230.0090.00614.15
5.6.220.0040.00714.26
5.6.210.0120.03717.33
5.6.200.0180.03216.16
5.6.190.0070.03817.45
5.6.180.0050.02717.51
5.6.170.0140.02517.27
5.6.160.0110.04317.44
5.6.150.0070.04416.06
5.6.140.0030.03816.12
5.6.130.0030.04516.23
5.6.120.0060.02317.75
5.6.110.0050.04417.59
5.6.100.0090.03217.49
5.6.90.0070.03717.58
5.6.80.0050.04217.38
5.6.70.0100.00313.99
5.6.60.0070.00714.29
5.6.50.0090.00314.17
5.6.40.0080.00614.30
5.6.30.0050.00314.30
5.6.20.0060.00314.43
5.6.10.0060.00614.03
5.6.00.0000.01614.17
5.5.380.0030.00311.60
5.5.370.0040.00711.60
5.5.360.0030.01011.60
5.5.350.0090.03516.01
5.5.340.0050.02314.80
5.5.330.0150.03316.00
5.5.320.0120.02815.94
5.5.310.0130.04015.97
5.5.300.0010.02314.74
5.5.290.0030.04314.81
5.5.280.0070.02216.25
5.5.270.0050.02516.14
5.5.260.0070.04116.28
5.5.250.0090.03916.14
5.5.240.0080.01315.89
5.5.230.0030.00711.60
5.5.220.0000.00711.60
5.5.210.0030.00611.60
5.5.200.0080.00011.60
5.5.190.0040.00711.60
5.5.180.0080.00311.60
5.5.170.0060.00311.60
5.5.160.0030.00711.60
5.5.150.0030.00711.60
5.5.140.0030.00311.60
5.5.130.0040.00411.60
5.5.120.0000.00711.60
5.5.110.0080.00011.60
5.5.100.0110.00011.60
5.5.90.0000.01111.60
5.5.80.0030.00511.60
5.5.70.0030.00611.60
5.5.60.0060.00611.60
5.5.50.0090.00311.60
5.5.40.0040.00811.60
5.5.30.0090.00311.60
5.5.20.0060.00311.60
5.5.10.0110.00011.60
5.5.00.0060.00611.60
5.4.450.0570.03215.59
5.4.440.0470.02315.57
5.4.430.0290.02015.59
5.4.420.0220.02215.53
5.4.410.0100.02215.30
5.4.400.0230.02815.43
5.4.390.0620.02315.43
5.4.380.0210.03115.10
5.4.370.0150.03715.14
5.4.360.0170.03515.17
5.4.350.0260.03915.17
5.4.340.0210.02515.14
5.4.330.0040.00411.60
5.4.320.0060.01912.03
5.4.310.0020.02512.03
5.4.300.0040.02512.03
5.4.290.0080.02612.03
5.4.280.0040.02411.96
5.4.270.0080.02711.96
5.4.260.0050.03311.96
5.4.250.0060.02511.96
5.4.240.0060.02111.96
5.4.230.0060.02311.96
5.4.220.0020.02611.96
5.4.210.0080.02111.96
5.4.200.0070.02611.96
5.4.190.0040.03211.96
5.4.180.0060.02511.96
5.4.170.0040.02411.96
5.4.160.0070.02711.96
5.4.150.0070.02811.96
5.4.140.0080.02911.80
5.4.130.0060.03011.79
5.4.120.0090.02611.77
5.4.110.0040.02411.77
5.4.100.0070.02111.77
5.4.90.0090.02711.77
5.4.80.0070.02911.77
5.4.70.0020.03111.77
5.4.60.0050.02411.77
5.4.50.0050.02811.77
5.4.40.0060.02711.76
5.4.30.0060.02311.76
5.4.20.0030.02611.76
5.4.10.0050.02211.76
5.4.00.0100.02511.51
5.3.290.0020.02712.20
5.3.280.0070.02012.15
5.3.270.0060.02212.16
5.3.260.0080.02412.16
5.3.250.0060.02912.16
5.3.240.0060.03012.16
5.3.230.0050.02812.16
5.3.220.0100.04112.14
5.3.210.0080.03812.14
5.3.200.0070.03312.14
5.3.190.0070.03412.14
5.3.180.0070.03712.14
5.3.170.0040.03712.13
5.3.160.0100.03412.14
5.3.150.0110.04012.14
5.3.140.0080.02612.13
5.3.130.0070.03312.13
5.3.120.0050.02512.13
5.3.110.0050.02512.13
5.3.100.0060.02411.86
5.3.90.0070.02211.84
5.3.80.0090.03011.84
5.3.70.0090.02711.84
5.3.60.0070.02311.83
5.3.50.0040.02911.80
5.3.40.0080.02911.80
5.3.30.0100.01711.77
5.3.20.0040.02811.65
5.3.10.0060.02111.63
5.3.00.0080.02211.63
5.2.170.0090.01610.38
5.2.160.0030.01910.38
5.2.150.0050.01910.38
5.2.140.0040.02710.37
5.2.130.0070.02310.35
5.2.120.0040.02510.35
5.2.110.0040.03410.36
5.2.100.0090.02610.36
5.2.90.0070.02510.36
5.2.80.0090.02510.36
5.2.70.0050.02510.35
5.2.60.0060.02010.33
5.2.50.0070.02510.32
5.2.40.0060.02210.30
5.2.30.0070.01810.29
5.2.20.0070.02110.29
5.2.10.0050.01710.25
5.2.00.0060.02310.18
5.1.60.0060.0169.82
5.1.50.0060.0159.82
5.1.40.0040.0189.82
5.1.30.0050.0159.99
5.1.20.0070.02010.00
5.1.10.0080.0269.86
5.1.00.0030.0199.86
5.0.50.0050.0139.10
5.0.40.0120.0219.03
5.0.30.0060.0188.94
5.0.20.0040.0128.93
5.0.10.0070.0158.91
5.0.00.0160.0218.91
4.4.90.0040.0218.19
4.4.80.0050.0188.18
4.4.70.0030.0148.18
4.4.60.0070.0198.18
4.4.50.0070.0128.19
4.4.40.0060.0218.16
4.4.30.0040.0158.18
4.4.20.0040.0138.22
4.4.10.0020.0128.22
4.4.00.0020.0188.18
4.3.110.0060.0098.13
4.3.100.0020.0128.13
4.3.90.0020.0128.12
4.3.80.0060.0148.09
4.3.70.0020.0138.12
4.3.60.0020.0128.11
4.3.50.0020.0158.11
4.3.40.0030.0228.07
4.3.30.0030.0117.44
4.3.20.0030.0127.43
4.3.10.0030.0117.41
4.3.00.0110.00812.54

preferences:
40.64 ms | 401 KiB | 5 Q