3v4l.org

run code in 300+ PHP versions simultaneously
<?php class Book { public $title = ""; public $author = ""; public $yearofpublication = array(); } $book = new Book(); $book->title = "JSF Cookbook"; $book->author = "Anghel Leonard"; $book->yearofpublication=array("2012","201"); $result = json_encode($book, JSON_PRETTY_PRINT); echo 'The JSON representation is:'.$result.'<br>';

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)
8.3.60.0140.00716.75
8.3.50.0110.01121.96
8.3.40.0110.00418.75
8.3.30.0210.00019.22
8.3.20.0050.00320.33
8.3.10.0050.00321.89
8.3.00.0040.00419.15
8.2.180.0150.00716.75
8.2.170.0060.01322.96
8.2.160.0070.00720.53
8.2.150.0080.00024.18
8.2.140.0050.00324.66
8.2.130.0000.00726.16
8.2.120.0040.00419.56
8.2.110.0000.00820.47
8.2.100.0040.00818.22
8.2.90.0000.00719.28
8.2.80.0040.00417.97
8.2.70.0030.00617.50
8.2.60.0030.00517.80
8.2.50.0030.00518.07
8.2.40.0090.00019.95
8.2.30.0000.00718.05
8.2.20.0040.00417.63
8.2.10.0050.00318.12
8.2.00.0030.00617.60
8.1.280.0110.00725.92
8.1.270.0060.00318.88
8.1.260.0040.00426.35
8.1.250.0070.00028.09
8.1.240.0050.00522.14
8.1.230.0040.00719.23
8.1.220.0080.00017.74
8.1.210.0040.00418.77
8.1.200.0060.00317.23
8.1.190.0060.00317.25
8.1.180.0060.00318.10
8.1.170.0040.00418.59
8.1.160.0080.00021.94
8.1.150.0000.00818.94
8.1.140.0000.00819.28
8.1.130.0000.00717.76
8.1.120.0070.00017.48
8.1.110.0040.00417.40
8.1.100.0070.00017.45
8.1.90.0040.00417.48
8.1.80.0000.00817.46
8.1.70.0000.00717.45
8.1.60.0030.00717.62
8.1.50.0040.00417.44
8.1.40.0000.00817.55
8.1.30.0040.00417.54
8.1.20.0090.00017.70
8.1.10.0040.00417.43
8.1.00.0000.00817.50
8.0.300.0040.00418.77
8.0.290.0000.00716.63
8.0.280.0000.00718.46
8.0.270.0040.00416.68
8.0.260.0000.00617.33
8.0.250.0040.00417.03
8.0.240.0040.00416.85
8.0.230.0030.00316.84
8.0.220.0030.00316.80
8.0.210.0040.00416.90
8.0.200.0070.00017.01
8.0.190.0040.00416.95
8.0.180.0070.00016.96
8.0.170.0040.00416.83
8.0.160.0030.00516.88
8.0.150.0030.00316.86
8.0.140.0000.00816.88
8.0.130.0030.00313.37
8.0.120.0000.00816.69
8.0.110.0040.00416.98
8.0.100.0070.00016.79
8.0.90.0050.00316.92
8.0.80.0070.01316.93
8.0.70.0000.00716.88
8.0.60.0040.00416.87
8.0.50.0040.00416.84
8.0.30.0070.01316.90
8.0.20.0110.00817.41
8.0.10.0040.00416.83
8.0.00.0110.00916.75
7.4.330.0030.00315.03
7.4.320.0000.00716.53
7.4.300.0000.00616.55
7.4.290.0070.00016.48
7.4.280.0040.00416.52
7.4.270.0000.00716.45
7.4.260.0030.00616.33
7.4.250.0000.00716.39
7.4.240.0000.00716.54
7.4.230.0030.00316.57
7.4.220.0150.00616.46
7.4.210.0070.00716.46
7.4.200.0040.00416.63
7.4.160.0030.01216.33
7.4.150.0130.00717.40
7.4.140.0140.00717.86
7.4.130.0080.00816.38
7.4.120.0060.01216.48
7.4.110.0070.01016.58
7.4.100.0150.00316.43
7.4.90.0110.00616.34
7.4.80.0130.00319.39
7.4.70.0070.01016.34
7.4.60.0030.01316.37
7.4.50.0040.00016.43
7.4.40.0140.00316.32
7.4.30.0040.01416.34
7.4.00.0070.00715.10
7.3.330.0000.00513.30
7.3.320.0000.00513.17
7.3.310.0000.00716.17
7.3.300.0000.00716.18
7.3.290.0100.00616.31
7.3.280.0080.00916.32
7.3.270.0040.01217.40
7.3.260.0030.01516.20
7.3.250.0150.00516.41
7.3.240.0080.00916.41
7.3.230.0100.01016.59
7.3.210.0060.01016.56
7.3.200.0130.00419.39
7.3.190.0040.01216.52
7.3.180.0040.01116.44
7.3.170.0090.00916.51
7.3.160.0110.00616.33
7.2.330.0100.00716.77
7.2.320.0080.00816.61
7.2.310.0100.00716.73
7.2.300.0060.01016.80
7.2.290.0070.01716.44
7.2.00.0000.01719.41
7.1.100.0040.00717.58
7.1.70.0180.00617.20
7.1.60.0170.00719.46
7.1.50.0090.01216.64
7.1.00.0170.06022.43
7.0.200.0060.00615.09
7.0.140.0030.06022.07
7.0.90.0130.04319.86
7.0.80.0130.06719.90
7.0.70.0130.06019.99
7.0.60.0400.07719.96
7.0.50.0170.07020.35
7.0.40.0030.06320.10
7.0.30.0100.07720.19
7.0.20.0130.09020.11
7.0.10.0100.08320.16
7.0.00.0070.05319.98
5.6.280.0030.07321.10
5.6.240.0100.08320.73
5.6.230.0100.06020.63
5.6.220.0070.04020.57
5.6.210.0030.04720.75
5.6.200.0070.04021.03
5.6.190.0070.08021.04
5.6.180.0070.04721.02
5.6.170.0000.05321.13
5.6.160.0130.07721.08
5.6.150.0030.06321.08
5.6.140.0130.03721.17
5.6.130.0170.06321.13
5.6.120.0100.06720.93
5.6.110.0100.06320.89
5.6.100.0230.06720.92
5.6.90.0100.07721.00
5.6.80.0200.07020.42
5.6.70.0230.06320.51
5.6.60.0130.07720.27
5.6.50.0070.04720.41
5.6.40.0070.06320.29
5.6.30.0170.03720.41
5.6.20.0100.07320.41
5.6.10.0030.08020.36
5.6.00.0070.07320.38
5.5.380.0100.03720.52
5.5.370.0000.05320.42
5.5.360.0070.05020.41
5.5.350.0070.07320.42
5.5.340.0130.07320.92
5.5.330.0070.05020.73
5.5.320.0000.07720.82
5.5.310.0100.03720.85
5.5.300.0170.06720.80
5.5.290.0030.05320.82
5.5.280.0000.08020.80
5.5.270.0100.08020.82
5.5.260.0100.06720.88
5.5.250.0100.08320.54
5.5.240.0070.06020.27
5.5.230.0000.05320.25
5.5.220.0170.07020.30
5.5.210.0070.07720.17
5.5.200.0030.05320.12
5.5.190.0000.06020.22
5.5.180.0130.07019.99
5.5.160.0070.05320.17
5.5.150.0000.05320.22
5.5.140.0030.07720.22
5.5.130.0100.04020.26
5.5.120.0070.07320.20
5.5.110.0130.07020.17
5.5.100.0170.06720.17
5.5.90.0070.04020.09
5.5.80.0170.05720.01
5.5.70.0030.07020.00
5.5.60.0070.08020.05
5.5.50.0170.07020.03
5.5.40.0100.07320.14
5.5.30.0070.05720.14
5.5.20.0130.07020.10
5.5.10.0070.07020.07
5.5.00.0100.04020.07
5.4.450.0030.04719.27
5.4.440.0100.05719.42
5.4.430.0000.05019.48
5.4.420.0130.04319.43
5.4.410.0070.04019.23
5.4.400.0170.06718.91
5.4.390.0100.05319.23
5.4.380.0100.05319.03
5.4.370.0130.06719.14
5.4.360.0100.07319.03
5.4.350.0070.05719.18
5.4.340.0070.04319.16
5.4.320.0030.07719.05
5.4.310.0070.07718.85
5.4.300.0070.06019.16
5.4.290.0100.06719.12
5.4.280.0000.07319.04
5.4.270.0130.07319.18
5.4.260.0230.06319.12
5.4.250.0070.03718.84
5.4.240.0000.07719.23
5.4.230.0070.07318.90
5.4.220.0030.07319.13
5.4.210.0070.07719.11
5.4.200.0130.07018.88
5.4.190.0030.08319.12
5.4.180.0030.05019.12
5.4.170.0070.05019.04
5.4.160.0070.04719.02
5.4.150.0000.04719.10
5.4.140.0100.04716.41
5.4.130.0200.05716.45
5.4.120.0170.06716.41
5.4.110.0070.06016.47
5.4.100.0000.07316.50
5.4.90.0100.04016.34
5.4.80.0070.05016.42
5.4.70.0070.06716.46
5.4.60.0030.04716.24
5.4.50.0130.06316.41
5.4.40.0030.04716.49
5.4.30.0070.04016.49
5.4.20.0070.07016.30
5.4.10.0130.05716.48
5.4.00.0030.07015.73
5.3.290.0000.04014.61
5.3.280.0070.06714.64
5.3.270.0030.05014.53
5.3.260.0200.07714.73
5.3.250.0070.04014.66
5.3.240.0030.04314.65
5.3.230.0130.06714.52
5.3.220.0100.07314.65
5.3.210.0070.06014.62
5.3.200.0100.06014.48
5.3.190.0030.04014.68
5.3.180.0070.03714.67
5.3.170.0130.07314.65
5.3.160.0030.07714.52
5.3.150.0030.05014.55
5.3.140.0030.08014.61
5.3.130.0100.04014.68
5.3.120.0030.04014.49
5.3.110.0030.06314.60
5.3.100.0070.07714.04
5.3.90.0070.04313.96
5.3.80.0130.05714.10
5.3.70.0030.07314.12
5.3.60.0070.06014.08
5.3.50.0070.06714.05
5.3.40.0170.04314.08
5.3.30.0100.03013.89
5.3.20.0000.05713.66
5.3.10.0170.05713.58
5.3.00.0170.03713.62
5.2.170.0070.03311.25
5.2.160.0070.04711.02
5.2.150.0030.06311.23
5.2.140.0100.05711.20
5.2.130.0100.04711.14
5.2.120.0070.03011.20
5.2.110.0030.04711.02
5.2.100.0070.03710.96
5.2.90.0030.03311.11
5.2.80.0030.03011.15
5.2.70.0070.03710.95
5.2.60.0070.04311.04
5.2.50.0000.03311.09
5.2.40.0170.04311.09
5.2.30.0130.05711.10
5.2.20.0030.05010.85
5.2.10.0030.04710.91
5.2.00.0030.03710.77
5.1.60.0100.04710.09
5.1.50.0070.0239.97
5.1.40.0000.02710.04
5.1.30.0000.05710.24
5.1.20.0070.04710.21
5.1.10.0070.05310.17
5.1.00.0070.02710.09
5.0.50.0000.0438.55
5.0.40.0070.0438.48
5.0.30.0070.0608.30
5.0.20.0100.0378.30
5.0.10.0000.0408.01
5.0.00.0100.0578.21
4.4.90.0070.0337.08
4.4.80.0030.0377.08
4.4.70.0030.0237.08
4.4.60.0030.0337.08
4.4.50.0070.0307.08
4.4.40.0000.0377.08
4.4.30.0030.0337.08
4.4.20.0100.0207.08
4.4.10.0000.0377.08
4.4.00.0000.0337.08
4.3.110.0000.0237.08
4.3.100.0000.0337.08
4.3.90.0030.0337.08
4.3.80.0070.0377.08
4.3.70.0000.0177.08
4.3.60.0000.0177.08
4.3.50.0000.0377.08
4.3.40.0000.0477.08
4.3.30.0030.0337.08
4.3.20.0030.0277.08
4.3.10.0030.0177.08
4.3.00.0000.0207.08

preferences:
51.99 ms | 401 KiB | 5 Q