3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a=array(); $a[1]=array('id'=>1,'name'=>'a1', 'elements'=>array()); $a[1]['elements'][] = array('id'=>2,'name'=>'a2','elements'=>array()); print_r($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)
8.3.60.0120.00918.43
8.3.50.0080.00821.14
8.3.40.0070.00718.67
8.3.30.0030.01020.21
8.3.20.0000.00720.27
8.3.10.0000.00722.09
8.3.00.0000.00722.43
8.2.180.0030.01216.38
8.2.170.0080.01122.96
8.2.160.0070.00722.12
8.2.150.0030.00624.18
8.2.140.0080.00024.66
8.2.130.0070.00026.16
8.2.120.0040.00420.61
8.2.110.0100.00022.16
8.2.100.0100.00317.91
8.2.90.0050.00319.22
8.2.80.0040.00419.25
8.2.70.0030.00617.50
8.2.60.0080.00017.93
8.2.50.0060.00318.07
8.2.40.0050.00318.19
8.2.30.0070.00019.33
8.2.20.0050.00217.69
8.2.10.0040.00417.59
8.2.00.0040.00817.54
8.1.280.0090.00925.92
8.1.270.0060.00323.99
8.1.260.0040.00426.35
8.1.250.0060.00328.09
8.1.240.0090.00023.84
8.1.230.0060.00618.94
8.1.220.0000.00817.74
8.1.210.0040.00418.77
8.1.200.0030.00617.35
8.1.190.0000.00817.53
8.1.180.0040.00418.10
8.1.170.0080.00018.57
8.1.160.0050.00318.86
8.1.150.0050.00318.56
8.1.140.0000.00817.34
8.1.130.0000.00717.73
8.1.120.0000.00717.35
8.1.110.0070.00317.28
8.1.100.0000.00717.38
8.1.90.0030.00617.34
8.1.80.0000.00717.37
8.1.70.0080.00017.35
8.1.60.0090.00017.42
8.1.50.0040.00417.47
8.1.40.0040.00417.47
8.1.30.0030.00517.55
8.1.20.0030.00517.54
8.1.10.0040.00417.48
8.1.00.0000.00817.46
8.0.300.0070.00018.77
8.0.290.0000.00917.18
8.0.280.0030.00318.29
8.0.270.0030.00317.09
8.0.260.0060.00018.37
8.0.250.0000.00716.77
8.0.240.0050.00316.92
8.0.230.0030.00416.81
8.0.220.0030.00316.71
8.0.210.0000.00716.73
8.0.200.0070.00016.89
8.0.190.0040.00416.89
8.0.180.0040.00416.83
8.0.170.0080.00016.77
8.0.160.0070.00016.87
8.0.150.0040.00416.76
8.0.140.0030.00516.77
8.0.130.0050.00013.33
8.0.120.0040.00416.78
8.0.110.0050.00416.70
8.0.100.0040.00416.77
8.0.90.0080.00016.70
8.0.80.0110.01116.74
8.0.70.0000.00716.66
8.0.60.0040.00416.60
8.0.50.0000.00716.82
8.0.30.0110.00716.99
8.0.20.0110.00817.40
8.0.10.0000.01016.93
8.0.00.0110.00716.61
7.4.330.0000.00815.00
7.4.320.0000.00616.37
7.4.300.0030.00316.33
7.4.290.0000.00816.41
7.4.280.0030.00316.37
7.4.270.0090.00016.42
7.4.260.0000.00513.19
7.4.250.0000.00716.34
7.4.240.0010.00616.46
7.4.230.0040.00416.33
7.4.220.0090.00916.55
7.4.210.0090.00816.47
7.4.200.0000.00716.61
7.4.190.0000.00716.34
7.4.160.0130.00316.49
7.4.150.0110.00917.40
7.4.140.0110.00717.86
7.4.130.0080.00916.42
7.4.120.0080.00816.41
7.4.110.0170.00316.50
7.4.100.0090.00916.43
7.4.90.0030.01216.55
7.4.80.0130.00619.39
7.4.70.0000.00016.66
7.4.60.0030.01416.31
7.4.50.0030.00616.41
7.4.40.0000.01522.77
7.4.30.0040.01116.38
7.4.10.0040.01514.96
7.4.00.0070.00914.90
7.3.330.0000.00513.13
7.3.320.0030.00313.09
7.3.310.0000.00716.11
7.3.300.0030.00316.20
7.3.290.0160.00516.23
7.3.280.0060.01016.25
7.3.270.0100.00917.40
7.3.260.0080.01416.60
7.3.250.0060.01216.41
7.3.240.0090.00616.25
7.3.230.0100.01316.52
7.3.210.0130.00316.30
7.3.200.0090.00616.63
7.3.190.0090.01316.40
7.3.180.0070.01016.60
7.3.170.0060.01516.41
7.3.160.0120.00316.43
7.3.130.0130.00614.80
7.3.120.0050.01114.74
7.3.110.0060.01314.94
7.3.100.0100.00314.77
7.3.90.0130.00014.50
7.3.80.0050.00514.91
7.3.70.0090.00014.51
7.3.60.0070.01014.41
7.3.50.0030.01514.66
7.3.40.0000.01014.91
7.3.30.0060.00914.84
7.3.20.0070.00316.27
7.3.10.0030.00816.53
7.3.00.0020.00916.44
7.2.330.0070.01116.75
7.2.320.0140.00916.66
7.2.310.0140.00916.64
7.2.300.0110.00616.48
7.2.290.0130.00416.63
7.2.260.0030.01615.08
7.2.250.0060.00914.96
7.2.240.0080.00814.83
7.2.230.0070.01014.70
7.2.220.0000.01815.07
7.2.210.0030.00814.82
7.2.200.0030.00815.00
7.2.190.0040.00715.02
7.2.180.0030.01315.07
7.2.170.0060.00614.71
7.2.160.0080.00814.63
7.2.150.0030.01216.60
7.2.140.0030.00816.83
7.2.130.0050.00716.93
7.2.120.0050.00816.65
7.2.110.0040.01016.78
7.2.100.0050.01116.76
7.2.90.0110.00516.88
7.2.80.0000.01416.69
7.2.70.0030.01016.63
7.2.60.0050.00716.88
7.2.50.0040.00916.79
7.2.40.0090.00316.87
7.2.30.0090.00516.96
7.2.20.0030.01016.72
7.2.10.0100.00516.74
7.2.00.0050.00916.70
7.1.330.0060.00615.56
7.1.320.0000.01815.64
7.1.310.0000.01315.50
7.1.300.0120.00615.82
7.1.290.0070.00315.84
7.1.280.0090.00615.76
7.1.270.0000.01515.69
7.1.260.0060.00615.75
7.1.250.0030.00515.73
7.1.240.0030.01015.74
7.1.230.0000.01315.68
7.1.220.0030.01015.73
7.1.210.0100.00315.48
7.1.200.0040.00815.79
7.1.190.0090.00615.66
7.1.180.0160.00015.61
7.1.170.0080.00815.66
7.1.160.0070.00715.84
7.1.150.0000.01315.43
7.1.140.0040.01415.82
7.1.130.0060.00315.68
7.1.120.0030.00515.55
7.1.110.0090.00615.87
7.1.100.0000.00915.66
7.1.90.0060.01015.64
7.1.80.0070.00715.74
7.1.70.0020.00616.35
7.1.60.0050.01417.42
7.1.50.0090.00916.43
7.1.40.0060.00615.81
7.1.30.0030.00715.69
7.1.20.0030.00915.53
7.1.10.0050.00515.70
7.1.00.0040.03919.11
7.0.330.0090.00415.51
7.0.320.0040.01115.15
7.0.310.0060.00915.47
7.0.300.0080.00515.52
7.0.290.0080.00415.52
7.0.280.0040.00815.38
7.0.270.0070.01015.28
7.0.260.0030.00715.58
7.0.250.0000.01315.32
7.0.240.0030.01015.38
7.0.230.0090.00315.47
7.0.220.0070.01015.34
7.0.210.0060.00315.25
7.0.200.0060.00515.97
7.0.190.0060.01015.17
7.0.180.0120.00315.37
7.0.170.0030.00815.16
7.0.160.0030.00915.06
7.0.150.0000.01415.43
7.0.140.0030.03918.73
7.0.130.0100.00315.18
7.0.120.0060.00615.40
7.0.110.0140.00015.42
7.0.100.0070.03917.67
7.0.90.0210.02117.71
7.0.80.0170.02217.57
7.0.70.0070.03817.61
7.0.60.0250.02817.59
7.0.50.0200.04517.84
7.0.40.0050.04816.66
7.0.30.0020.03716.61
7.0.20.0040.04916.73
7.0.10.0040.02716.78
7.0.00.0090.03016.61
5.6.400.0030.00614.19
5.6.390.0030.00914.43
5.6.380.0030.00714.21
5.6.370.0030.01314.24
5.6.360.0090.00314.61
5.6.350.0000.01514.43
5.6.340.0030.01014.54
5.6.330.0030.01414.61
5.6.320.0060.00614.56
5.6.310.0090.00314.40
5.6.300.0100.00714.42
5.6.290.0060.00614.14
5.6.280.0070.04017.76
5.6.270.0110.00314.05
5.6.260.0060.00914.27
5.6.250.0080.03017.29
5.6.240.0160.03317.52
5.6.230.0050.02317.60
5.6.220.0060.02817.42
5.6.210.0060.02017.35
5.6.200.0080.05017.70
5.6.190.0070.05017.71
5.6.180.0060.02717.77
5.6.170.0070.04017.64
5.6.160.0030.02817.81
5.6.150.0030.03017.58
5.6.140.0090.03417.64
5.6.130.0050.03117.62
5.6.120.0100.02517.61
5.6.110.0080.02617.84
5.6.100.0110.02517.77
5.6.90.0070.02317.54
5.6.80.0070.03517.22
5.6.70.0020.04417.16
5.6.60.0000.04117.36
5.6.50.0130.03817.33
5.6.40.0110.04217.26
5.6.30.0120.04217.40
5.6.20.0070.03817.24
5.6.10.0070.03417.25
5.6.00.0100.03317.25
5.5.380.0070.02517.25
5.5.370.0030.04317.31
5.5.360.0130.03917.42
5.5.350.0030.02717.27
5.5.340.0080.03917.44
5.5.330.0100.03317.44
5.5.320.0070.03017.33
5.5.310.0080.04317.54
5.5.300.0080.02317.57
5.5.290.0110.03517.46
5.5.280.0050.02517.51
5.5.270.0040.04017.57
5.5.260.0100.04017.57
5.5.250.0120.03017.19
5.5.240.0060.02616.97
5.5.230.0080.03317.02
5.5.220.0080.03817.16
5.5.210.0110.01517.09
5.5.200.0060.03117.16
5.5.190.0020.04716.98
5.5.180.0070.04317.11
5.5.170.0030.00714.13
5.5.160.0090.03817.24
5.5.150.0020.02917.08
5.5.140.0100.02517.20
5.5.130.0050.04317.18
5.5.120.0120.04017.13
5.5.110.0050.04316.95
5.5.100.0080.04517.06
5.5.90.0070.03617.25
5.5.80.0100.02517.12
5.5.70.0070.04117.20
5.5.60.0040.02717.00
5.5.50.0060.03416.91
5.5.40.0060.02717.12
5.5.30.0070.02417.08
5.5.20.0100.02117.04
5.5.10.0120.01717.04
5.5.00.0030.02717.09
5.4.450.0060.04215.15
5.4.440.0070.03715.00
5.4.430.0070.03415.20
5.4.420.0060.04215.35
5.4.410.0020.03815.26
5.4.400.0130.03015.06
5.4.390.0020.04315.12
5.4.380.0080.01715.14
5.4.370.0110.02515.19
5.4.360.0080.04015.17
5.4.350.0020.04715.10
5.4.340.0050.03515.11
5.4.330.0070.00610.92
5.4.320.0130.03315.18
5.4.310.0070.03614.99
5.4.300.0040.04214.89
5.4.290.0060.02814.96
5.4.280.0020.04215.09
5.4.270.0060.04314.96
5.4.260.0060.03015.08
5.4.250.0050.02214.90
5.4.240.0100.03915.13
5.4.230.0050.04015.04
5.4.220.0080.02315.08
5.4.210.0040.03614.90
5.4.200.0020.03415.23
5.4.190.0000.02615.12
5.4.180.0000.02514.95
5.4.170.0070.02415.12
5.4.160.0050.02115.06
5.4.150.0050.02315.16
5.4.140.0040.02013.86
5.4.130.0030.01813.79
5.4.120.0030.02013.85
5.4.110.0030.02413.80
5.4.100.0050.03413.86
5.4.90.0040.02313.63
5.4.80.0020.01813.73
5.4.70.0040.01913.83
5.4.60.0050.02013.67
5.4.50.0070.01813.75
5.4.40.0100.01513.81
5.4.30.0050.01713.78
5.4.20.0050.01813.85
5.4.10.0030.02013.59
5.4.00.0020.02013.39
5.3.290.0080.04012.68
5.3.280.0080.02412.64
5.3.270.0010.02312.54
5.3.260.0030.02512.59
5.3.250.0050.02012.44
5.3.240.0010.02112.59
5.3.230.0040.01612.60
5.3.220.0070.01812.37
5.3.210.0070.02012.56
5.3.200.0060.01512.40
5.3.190.0050.02312.45
5.3.180.0030.02112.67
5.3.170.0050.02112.46
5.3.160.0050.01912.67
5.3.150.0030.02612.62
5.3.140.0060.01912.64
5.3.130.0050.02212.60
5.3.120.0060.02012.54
5.3.110.0050.02312.42
5.3.100.0060.01412.28
5.3.90.0010.02112.33
5.3.80.0030.02312.21
5.3.70.0020.02412.10
5.3.60.0060.02112.15
5.3.50.0070.02012.22
5.3.40.0070.02012.08
5.3.30.0070.01512.21
5.3.20.0080.01711.89
5.3.10.0050.02011.86
5.3.00.0070.01711.97
5.2.170.0000.03311.21
5.2.160.0070.02311.16
5.2.150.0030.02711.20
5.2.140.0000.03011.25
5.2.130.0030.02710.97
5.2.120.0000.03011.09
5.2.110.0000.03311.00
5.2.100.0070.04711.18
5.2.90.0070.02711.11
5.2.80.0070.02310.98
5.2.70.0070.02011.18
5.2.60.0000.02710.98
5.2.50.0030.03311.12
5.2.40.0070.02711.07
5.2.30.0100.02311.06
5.2.20.0000.02311.00
5.2.10.0030.02310.99
5.2.00.0070.02010.72
5.1.60.0030.02310.04
5.1.50.0000.0279.80
5.1.40.0030.01710.03
5.1.30.0070.02010.38
5.1.20.0000.02710.40
5.1.10.0030.02310.14
5.1.00.0000.02710.09
5.0.50.0030.0208.63
5.0.40.0030.0478.43
5.0.30.0000.0508.30
5.0.20.0070.0408.27
5.0.10.0070.0338.24
5.0.00.0070.0608.23
4.4.90.0000.0138.02
4.4.80.0030.0108.02
4.4.70.0000.0178.02
4.4.60.0000.0138.02
4.4.50.0070.0138.02
4.4.40.0130.0178.02
4.4.30.0030.0108.02
4.4.20.0000.0178.02
4.4.10.0070.0238.02
4.4.00.0000.0238.02
4.3.110.0030.0308.02
4.3.100.0000.0338.02
4.3.90.0000.0138.02
4.3.80.0100.0478.02
4.3.70.0070.0308.02
4.3.60.0000.0308.02
4.3.50.0030.0378.02
4.3.40.0000.0438.02
4.3.30.0030.0338.02
4.3.20.0000.0408.02
4.3.10.0030.0138.02
4.3.00.0000.0178.02

preferences:
68.24 ms | 401 KiB | 5 Q