3v4l.org

run code in 300+ PHP versions simultaneously
<?php $array = array(); for ($i = 0; $i < 10; $i++) $array = array($array); echo json_encode($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)
8.3.60.0090.01216.38
8.3.50.0140.00321.89
8.3.40.0090.00618.67
8.3.30.0070.00718.95
8.3.20.0000.00720.21
8.3.10.0080.00023.48
8.3.00.0090.00017.50
8.2.180.0140.00318.54
8.2.170.0110.01122.96
8.2.160.0070.00720.57
8.2.150.0000.00724.18
8.2.140.0050.00324.66
8.2.130.0040.00426.16
8.2.120.0100.00321.97
8.2.110.0030.00622.16
8.2.100.0060.00617.78
8.2.90.0040.00419.21
8.2.80.0030.00618.16
8.2.70.0040.00417.63
8.2.60.0060.00617.80
8.2.50.0050.00218.07
8.2.40.0030.00518.15
8.2.30.0000.00818.08
8.2.20.0040.00417.59
8.2.10.0000.00817.73
8.2.00.0040.00417.55
8.1.280.0120.00925.92
8.1.270.0060.00323.99
8.1.260.0000.00826.35
8.1.250.0030.00628.09
8.1.240.0030.00623.70
8.1.230.0110.00019.15
8.1.220.0000.00817.79
8.1.210.0040.00418.77
8.1.200.0000.00917.35
8.1.190.0000.00817.51
8.1.180.0030.00518.10
8.1.170.0080.00418.30
8.1.160.0050.00222.05
8.1.150.0070.00018.59
8.1.140.0000.00817.35
8.1.130.0000.00717.80
8.1.120.0040.00417.36
8.1.110.0000.00717.39
8.1.100.0030.00417.52
8.1.90.0030.00517.52
8.1.80.0040.00417.29
8.1.70.0070.00017.40
8.1.60.0000.00817.61
8.1.50.0040.00417.54
8.1.40.0040.00417.45
8.1.30.0000.00817.62
8.1.20.0000.00717.55
8.1.10.0080.00017.50
8.1.00.0000.00817.45
8.0.300.0000.00718.77
8.0.290.0060.00316.93
8.0.280.0000.00718.43
8.0.270.0040.00417.16
8.0.260.0030.00316.72
8.0.250.0070.00016.89
8.0.240.0030.00416.86
8.0.230.0060.00316.93
8.0.220.0030.00316.89
8.0.210.0070.00016.91
8.0.200.0000.00616.93
8.0.190.0000.00716.80
8.0.180.0100.00016.85
8.0.170.0060.00316.89
8.0.160.0050.00316.93
8.0.150.0070.00016.82
8.0.140.0040.00416.73
8.0.130.0080.00013.30
8.0.120.0040.00416.88
8.0.110.0040.00416.79
8.0.100.0000.00716.73
8.0.90.0000.00716.73
8.0.80.0060.01316.86
8.0.70.0040.00416.91
8.0.60.0040.00416.79
8.0.50.0050.00316.77
8.0.30.0080.01417.07
8.0.20.0120.00817.40
8.0.10.0000.00816.96
8.0.00.0130.00816.71
7.4.330.0030.00315.10
7.4.320.0060.00016.63
7.4.300.0000.00716.59
7.4.290.0000.00616.59
7.4.280.0030.00516.43
7.4.270.0000.00616.42
7.4.260.0030.00316.45
7.4.250.0080.00016.46
7.4.240.0070.00016.52
7.4.230.0030.00316.68
7.4.220.0130.00616.63
7.4.210.0070.00916.49
7.4.200.0070.00016.70
7.4.190.0030.00316.68
7.4.160.0070.01016.53
7.4.150.0120.00417.40
7.4.140.0120.01317.86
7.4.130.0140.00316.41
7.4.120.0130.00516.39
7.4.110.0130.00316.60
7.4.100.0100.00716.54
7.4.90.0030.01416.45
7.4.80.0090.01219.39
7.4.70.0150.00016.34
7.4.60.0130.00316.39
7.4.50.0030.00516.52
7.4.40.0110.00422.77
7.4.30.0030.01316.52
7.4.00.0080.00814.65
7.3.330.0020.00213.18
7.3.320.0070.00012.99
7.3.310.0030.00316.18
7.3.300.0030.00316.28
7.3.290.0080.00616.23
7.3.280.0100.00816.32
7.3.270.0070.01717.40
7.3.260.0060.01216.20
7.3.250.0070.01516.46
7.3.240.0120.00316.46
7.3.230.0090.01116.39
7.3.210.0090.00916.49
7.3.200.0100.00719.39
7.3.190.0090.01316.53
7.3.180.0110.00516.34
7.3.170.0090.00616.27
7.3.160.0120.00916.46
7.3.120.0070.00614.91
7.3.110.0110.00714.86
7.3.100.0090.00014.45
7.3.90.0000.01114.47
7.3.80.0000.01414.71
7.3.70.0030.01314.85
7.3.60.0100.00714.87
7.3.50.0000.00914.62
7.3.40.0060.00614.84
7.3.30.0000.01214.65
7.3.20.0040.00716.69
7.3.10.0100.00716.53
7.3.00.0090.00716.48
7.2.330.0120.00616.48
7.2.320.0060.01216.52
7.2.310.0150.00316.67
7.2.300.0080.01116.77
7.2.290.0090.00616.42
7.2.250.0070.01114.94
7.2.240.0040.01514.86
7.2.230.0090.00614.84
7.2.220.0040.00815.09
7.2.210.0030.00915.16
7.2.200.0030.01015.00
7.2.190.0060.00915.05
7.2.180.0030.00615.02
7.2.170.0030.00915.19
7.2.130.0090.00316.55
7.2.120.0040.01116.73
7.2.110.0120.00616.71
7.2.100.0130.00716.58
7.2.90.0100.00716.95
7.2.80.0120.00916.62
7.2.70.0180.00716.85
7.2.60.0100.00716.94
7.2.50.0110.00416.88
7.2.40.0120.00616.72
7.2.30.0030.01316.95
7.2.20.0030.01316.82
7.2.10.0170.00016.56
7.2.00.0150.00416.80
7.1.330.0090.00615.39
7.1.320.0060.00316.02
7.1.310.0060.00315.76
7.1.300.0000.01315.85
7.1.290.0030.01315.85
7.1.280.0070.00715.81
7.1.270.0000.01515.83
7.1.260.0000.00815.86
7.1.250.0120.00315.42
7.1.240.0030.00915.69
7.1.230.0080.00815.53
7.1.220.0070.00715.65
7.1.210.0100.00315.69
7.1.200.0180.00015.54
7.1.190.0130.00715.83
7.1.180.0100.01015.78
7.1.170.0070.01115.77
7.1.160.0000.01315.88
7.1.150.0100.00715.88
7.1.140.0110.00415.88
7.1.130.0200.00315.79
7.1.120.0110.00415.79
7.1.110.0060.01215.68
7.1.100.0070.01115.75
7.1.90.0170.00015.69
7.1.80.0060.00615.53
7.1.70.0070.00516.58
7.1.60.0110.00917.60
7.1.50.0080.01116.29
7.1.40.0120.00615.77
7.1.30.0100.00715.41
7.1.20.0030.01015.66
7.1.10.0030.01415.74
7.1.00.0110.03819.09
7.0.330.0090.00915.03
7.0.320.0160.00315.32
7.0.310.0090.00315.07
7.0.300.0110.00615.34
7.0.290.0140.00315.40
7.0.280.0070.01015.15
7.0.270.0120.00315.27
7.0.260.0000.01115.28
7.0.250.0100.00315.39
7.0.240.0060.01015.01
7.0.230.0100.00715.30
7.0.220.0130.00315.23
7.0.210.0090.00315.26
7.0.200.0080.00516.03
7.0.190.0180.00415.26
7.0.180.0040.01214.96
7.0.170.0040.00714.95
7.0.160.0180.00415.31
7.0.150.0130.01015.36
7.0.140.0070.04118.57
7.0.130.0040.01115.18
7.0.120.0140.00315.33
7.0.110.0120.00615.23
7.0.100.0060.01215.04
7.0.90.0080.02817.41
7.0.80.0080.02517.63
7.0.70.0280.02917.54
7.0.60.0290.03417.55
7.0.50.0240.02617.89
7.0.40.0060.03116.68
7.0.30.0020.04816.76
7.0.20.0110.04416.81
7.0.10.0110.04316.79
7.0.00.0060.03016.71
5.6.380.0000.01714.15
5.6.370.0080.00014.18
5.6.360.0000.01514.44
5.6.350.0080.00514.27
5.6.340.0000.00813.95
5.6.330.0030.00713.98
5.6.320.0070.00713.87
5.6.310.0000.01414.29
5.6.300.0000.01514.23
5.6.290.0080.00814.41
5.6.280.0070.03817.56
5.6.270.0000.01314.57
5.6.260.0070.00314.11
5.6.250.0060.00614.00
5.6.240.0030.04317.38
5.6.230.0030.02717.29
5.6.220.0090.02817.32
5.6.210.0080.04017.48
5.6.200.0050.02717.72
5.6.190.0060.03317.60
5.6.180.0070.04717.77
5.6.170.0030.03317.62
5.6.160.0120.03017.60
5.6.150.0040.03217.40
5.6.140.0100.04017.59
5.6.130.0050.04017.62
5.6.120.0080.04017.72
5.6.110.0080.03017.59
5.6.100.0070.02817.45
5.6.90.0110.02917.69
5.6.80.0040.04217.17
5.6.70.0070.04017.30
5.6.60.0120.03917.20
5.6.50.0070.04517.29
5.6.40.0080.04217.24
5.6.30.0080.04317.31
5.6.20.0030.03917.20
5.6.10.0070.04317.27
5.6.00.0080.04317.13
5.5.380.0080.03815.68
5.5.370.0130.02815.72
5.5.360.0000.03515.78
5.5.350.0070.03215.74
5.5.340.0100.04115.86
5.5.330.0050.04615.97
5.5.320.0050.02315.97
5.5.310.0070.02015.94
5.5.300.0050.03315.86
5.5.290.0080.04315.95
5.5.280.0080.04215.85
5.5.270.0050.03815.95
5.5.260.0100.04015.88
5.5.250.0020.02815.90
5.5.240.0080.04215.43
5.5.230.0030.03015.50
5.5.220.0130.03615.47
5.5.210.0040.04615.36
5.5.200.0030.04415.42
5.5.190.0060.04315.51
5.5.180.0050.02915.47
5.5.170.0060.00310.76
5.5.160.0030.04515.38
5.5.150.0100.04115.40
5.5.140.0100.03915.41
5.5.130.0050.04415.58
5.5.120.0070.02515.59
5.5.110.0100.03515.61
5.5.100.0030.02715.43
5.5.90.0080.02815.45
5.5.80.0080.03815.58
5.5.70.0100.03315.50
5.5.60.0060.04515.40
5.5.50.0050.04215.37
5.5.40.0070.02515.44
5.5.30.0060.03815.47
5.5.20.0080.03015.38
5.5.10.0120.03715.38
5.5.00.0050.04215.37
5.4.450.0050.03315.11
5.4.440.0000.03215.03
5.4.430.0100.04014.92
5.4.420.0030.04315.25
5.4.410.0030.03315.09
5.4.400.0080.03315.09
5.4.390.0030.02814.76
5.4.380.0030.02515.02
5.4.370.0050.04314.91
5.4.360.0020.03214.97
5.4.350.0050.03314.89
5.4.340.0070.02014.89
5.4.330.0030.00610.71
5.4.320.0030.02914.95
5.4.310.0030.02114.90
5.4.300.0070.03814.94
5.4.290.0080.03014.87
5.4.280.0020.03514.99
5.4.270.0050.04014.88
5.4.260.0030.02114.88
5.4.250.0070.04015.02
5.4.240.0100.01714.90
5.4.230.0080.03814.86
5.4.220.0080.04214.87
5.4.210.0120.02815.00
5.4.200.0080.03314.96
5.4.190.0040.02414.86
5.4.180.0080.03814.93
5.4.170.0050.02414.90
5.4.160.0050.03514.74
5.4.150.0100.03814.77
5.4.140.0100.03713.56
5.4.130.0000.03713.52
5.4.120.0090.04013.47
5.4.110.0030.04413.46
5.4.100.0030.04413.46
5.4.90.0060.03813.52
5.4.80.0030.03113.56
5.4.70.0050.01913.63
5.4.60.0070.03913.52
5.4.50.0040.04413.53
5.4.40.0040.03213.55
5.4.30.0100.02413.50
5.4.20.0030.04413.44
5.4.10.0060.04113.58
5.4.00.0060.03813.23
5.3.290.0020.02712.69
5.3.280.0070.03712.62
5.3.270.0030.04312.65
5.3.260.0040.02612.61
5.3.250.0080.02512.63
5.3.240.0020.02812.65
5.3.230.0030.02412.64
5.3.220.0080.03412.63
5.3.210.0130.03012.62
5.3.200.0050.03012.63
5.3.190.0080.03712.63
5.3.180.0060.04012.63
5.3.170.0030.02412.63
5.3.160.0040.03112.61
5.3.150.0070.04012.62
5.3.140.0130.02812.55
5.3.130.0100.03912.59
5.3.120.0070.04212.56
5.3.110.0070.04212.62
5.3.100.0130.03712.34
5.3.90.0060.02812.27
5.3.80.0070.03112.31
5.3.70.0020.03012.31
5.3.60.0050.04012.33
5.3.50.0030.03112.32
5.3.40.0070.02512.25
5.3.30.0030.03312.30
5.3.20.0060.03812.19
5.3.10.0120.01712.13
5.3.00.0050.02512.16
5.2.170.0030.01810.82
5.2.160.0020.02010.95
5.2.150.0050.02910.92
5.2.140.0050.01910.93
5.2.130.0030.03510.88
5.2.120.0060.01510.89
5.2.110.0040.01710.81
5.2.100.0000.02510.91
5.2.90.0070.03010.86
5.2.80.0040.03110.86
5.2.70.0060.02210.90
5.2.60.0030.02510.88
5.2.50.0060.03510.88
5.2.40.0040.02410.85
5.2.30.0010.02310.77
5.2.20.0080.02810.76
5.2.10.0030.02810.73
5.2.00.0000.02510.67
5.1.60.0050.02310.61
5.1.50.0070.02110.61
5.1.40.0050.01910.61
5.1.30.0050.03010.61
5.1.20.0050.02010.61
5.1.10.0040.03110.61
5.1.00.0060.03210.61
5.0.50.0000.01910.61
5.0.40.0040.02510.61
5.0.30.0050.03010.61
5.0.20.0030.01310.61
5.0.10.0020.01410.61
5.0.00.0020.03510.61
4.4.90.0050.01210.61
4.4.80.0040.01910.61
4.4.70.0020.01410.61
4.4.60.0030.02110.61
4.4.50.0020.01710.61
4.4.40.0020.02810.61
4.4.30.0050.01610.61
4.4.20.0040.01310.61
4.4.10.0050.01510.61
4.4.00.0000.03010.61
4.3.110.0000.01710.61
4.3.100.0000.01510.61
4.3.90.0040.00810.61
4.3.80.0070.02710.61
4.3.70.0000.02010.61
4.3.60.0020.01910.61
4.3.50.0020.01810.61
4.3.40.0000.02410.61
4.3.30.0020.01810.61
4.3.20.0030.01510.61
4.3.10.0020.01810.61
4.3.00.0020.01610.61

preferences:
42.46 ms | 401 KiB | 5 Q