3v4l.org

run code in 300+ PHP versions simultaneously
<?php class A { private $private=1; protected $protected=2; public $public=3; } print_r(json_encode(new 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)
8.3.60.0120.00416.38
8.3.50.0070.01016.38
8.3.40.0140.00718.43
8.3.30.0120.00318.43
8.3.20.0070.00021.91
8.3.10.0040.00423.70
8.3.00.0040.00421.92
8.2.180.0070.00716.34
8.2.170.0120.00922.96
8.2.160.0070.00720.14
8.2.150.0080.00024.18
8.2.140.0080.00024.66
8.2.130.0030.00520.87
8.2.120.0000.00726.35
8.2.110.0090.00019.39
8.2.100.0000.01117.59
8.2.90.0030.00519.85
8.2.80.0040.00418.08
8.2.70.0000.00817.71
8.2.60.0030.00617.38
8.2.50.0040.00418.10
8.2.40.0040.00420.55
8.2.30.0030.00320.63
8.2.20.0040.00417.99
8.2.10.0000.00817.84
8.2.00.0040.00417.88
8.1.280.0110.01125.92
8.1.270.0070.00022.09
8.1.260.0070.00026.35
8.1.250.0090.00028.09
8.1.240.0060.00322.29
8.1.230.0000.01121.03
8.1.220.0040.00417.74
8.1.210.0030.00518.77
8.1.200.0050.00317.23
8.1.190.0040.00817.00
8.1.180.0000.00718.10
8.1.170.0040.00418.65
8.1.160.0040.00418.67
8.1.150.0040.00422.11
8.1.140.0040.00417.62
8.1.130.0040.00418.95
8.1.120.0040.00417.23
8.1.110.0000.00817.33
8.1.100.0000.00817.33
8.1.90.0040.00417.32
8.1.80.0080.00017.26
8.1.70.0000.00717.34
8.1.60.0000.00817.35
8.1.50.0060.00317.46
8.1.40.0000.00717.34
8.1.30.0030.00617.54
8.1.20.0000.00817.50
8.1.10.0000.00817.34
8.1.00.0060.00317.25
8.0.300.0040.00419.88
8.0.290.0050.00316.63
8.0.280.0000.00718.29
8.0.270.0040.00717.23
8.0.260.0030.00616.80
8.0.250.0000.00716.81
8.0.240.0000.00816.92
8.0.230.0040.00416.78
8.0.220.0090.00016.65
8.0.210.0030.00616.78
8.0.200.0000.00716.81
8.0.190.0000.00916.78
8.0.180.0040.00416.79
8.0.170.0040.00416.71
8.0.160.0070.00016.76
8.0.150.0080.00016.73
8.0.140.0030.00416.73
8.0.130.0030.00313.16
8.0.120.0030.00316.63
8.0.110.0040.00416.74
8.0.100.0040.00416.81
8.0.90.0080.00016.68
8.0.80.0030.01316.76
8.0.70.0040.00416.74
8.0.60.0000.00816.72
8.0.50.0080.00016.72
8.0.30.0100.01116.89
8.0.20.0090.01017.40
8.0.10.0040.00416.89
8.0.00.0040.01316.52
7.4.330.0060.00015.55
7.4.320.0020.00516.37
7.4.300.0000.00716.48
7.4.290.0030.00316.40
7.4.280.0030.00616.28
7.4.270.0000.01116.48
7.4.260.0030.00616.43
7.4.250.0000.00716.48
7.4.240.0000.00716.39
7.4.230.0030.00316.21
7.4.220.0040.00416.50
7.4.210.0060.00816.43
7.4.200.0070.00016.41
7.4.160.0090.00916.34
7.4.140.0100.00817.86
7.4.130.0150.00316.38
7.4.120.0090.00916.35
7.4.110.0080.00816.35
7.4.100.0130.01016.52
7.4.90.0130.00316.25
7.4.80.0120.01219.39
7.4.70.0100.00716.40
7.4.60.0100.01016.23
7.4.50.0110.00216.51
7.4.40.0100.00716.42
7.4.10.0070.00714.98
7.4.00.0100.00814.85
7.3.330.0000.00513.14
7.3.320.0030.00312.98
7.3.310.0070.00016.27
7.3.300.0000.00716.22
7.3.290.0040.00416.15
7.3.280.0060.01116.16
7.3.260.0120.00916.29
7.3.240.0070.01016.16
7.3.230.0060.00916.07
7.3.210.0120.00516.32
7.3.200.0080.00816.43
7.3.190.0030.01216.10
7.3.180.0070.01016.13
7.3.170.0120.00416.26
7.3.160.0040.01216.49
7.3.130.0080.01114.38
7.3.120.0140.00614.51
7.3.110.0130.00814.57
7.3.100.0060.00614.73
7.3.90.0030.01014.77
7.3.80.0080.00614.33
7.3.70.0050.00714.67
7.3.60.0050.00814.67
7.3.50.0110.00314.63
7.3.40.0100.00514.59
7.3.30.0060.00614.68
7.3.20.0050.00716.57
7.3.10.0070.00716.56
7.3.00.0110.00216.45
7.2.330.0080.00816.49
7.2.320.0070.01316.45
7.2.310.0030.01316.48
7.2.300.0080.00816.30
7.2.290.0060.01216.52
7.2.260.0100.01014.96
7.2.250.0140.00614.75
7.2.240.0090.01114.33
7.2.230.0020.01414.90
7.2.220.0110.00614.67
7.2.210.0050.01114.82
7.2.200.0050.00914.80
7.2.190.0050.00814.63
7.2.180.0080.00814.79
7.2.170.0080.00814.77
7.2.160.0060.00914.84
7.2.150.0000.01616.75
7.2.140.0100.00716.52
7.2.130.0090.00616.53
7.2.120.0110.00716.77
7.2.110.0030.01116.45
7.2.100.0070.01116.82
7.2.90.0100.00616.49
7.2.80.0000.01416.61
7.2.70.0030.01316.88
7.2.60.0080.00816.61
7.2.50.0100.00016.79
7.2.40.0070.01016.68
7.2.30.0110.00517.91
7.2.20.0070.01017.92
7.2.10.0090.01018.06
7.2.00.0110.00918.03
7.1.330.0100.00515.72
7.1.320.0080.00715.64
7.1.310.0060.00615.51
7.1.300.0050.00615.70
7.1.290.0000.01015.67
7.1.280.0080.00415.71
7.1.270.0080.00815.46
7.1.260.0010.01215.72
7.1.250.0030.00915.71
7.1.240.0060.01215.65
7.1.230.0080.00815.72
7.1.220.0070.01015.76
7.1.210.0090.00615.66
7.1.200.0090.00515.53
7.1.190.0100.00715.45
7.1.180.0040.01215.74
7.1.170.0090.00315.66
7.1.160.0110.00315.73
7.1.150.0060.00816.97
7.1.140.0070.01016.84
7.1.130.0080.00917.15
7.1.120.0060.00816.91
7.1.110.0080.00816.86
7.1.100.0060.00816.68
7.1.90.0060.00916.56
7.1.80.0090.00616.82
7.1.70.0070.00916.30
7.1.60.0170.01125.38
7.1.50.0170.01024.93
7.1.40.0200.01124.76
7.1.30.0160.01325.01
7.1.20.0190.01225.02
7.1.10.0080.01016.01
7.1.00.0050.01616.08
7.0.330.0060.00315.37
7.0.320.0090.00915.37
7.0.310.0030.00615.24
7.0.300.0060.00315.29
7.0.290.0130.00315.26
7.0.280.0070.00415.44
7.0.270.0040.00415.07
7.0.260.0070.00315.50
7.0.250.0050.00315.33
7.0.240.0000.01115.08
7.0.230.0030.00615.25
7.0.220.0000.01015.35
7.0.210.0000.01215.34
7.0.200.0040.00815.34
7.0.190.0100.00315.42
7.0.180.0030.01515.27
7.0.170.0000.01714.99
7.0.160.0040.00715.04
7.0.150.0000.00815.04
7.0.140.0070.01015.36
7.0.130.0040.01415.39
7.0.120.0090.00915.46
7.0.110.0030.01015.38
7.0.100.0000.01615.11
7.0.90.0080.00815.44
7.0.80.0040.01115.43
7.0.70.0140.00415.28
7.0.60.0080.00415.20
7.0.50.0080.00315.38
7.0.40.0060.00613.25
7.0.30.0040.00413.32
7.0.20.0150.00013.39
7.0.10.0060.00313.44
7.0.00.0030.01213.24
5.6.400.0040.01114.18
5.6.390.0090.00614.27
5.6.380.0060.00613.95
5.6.370.0000.01614.34
5.6.360.0100.00014.23
5.6.350.0000.01414.21
5.6.340.0060.00614.21
5.6.330.0030.00714.42
5.6.320.0110.00014.14
5.6.310.0080.00314.32
5.6.300.0000.01414.34
5.6.290.0060.01214.27
5.6.280.0110.00713.99
5.6.270.0180.00014.21
5.6.260.0090.00314.02
5.6.250.0120.00014.31
5.6.240.0040.00814.27
5.6.230.0000.01314.48
5.6.220.0070.01114.29
5.6.210.0000.00814.02
5.6.200.0040.01214.29
5.6.190.0000.01514.13
5.6.180.0060.00313.91
5.6.170.0030.01214.18
5.6.160.0030.01114.18
5.6.150.0050.00514.21
5.6.140.0070.00314.16
5.6.130.0040.01114.41
5.6.120.0000.01414.35
5.6.110.0070.00714.00
5.6.100.0030.01014.30
5.6.90.0030.01013.91
5.6.80.0090.00614.21
5.6.70.0110.00014.08
5.6.60.0060.00614.22
5.6.50.0070.00714.33
5.6.40.0030.01314.09
5.6.30.0090.00614.01
5.6.20.0050.00513.91
5.6.10.0030.00714.11
5.6.00.0000.00914.15

preferences:
62.72 ms | 400 KiB | 5 Q