3v4l.org

run code in 300+ PHP versions simultaneously
<?php class A { public $b; } $a = new A; $a->b = new A; $a->b->b = 1; if (isset($a->b->b)) { echo 'exists'; }

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)
8.3.60.0210.00018.31
8.3.50.0110.00418.14
8.3.40.0130.00318.46
8.3.30.0120.00318.90
8.3.20.0000.00719.33
8.3.10.0070.00023.51
8.3.00.0050.00320.64
8.2.180.0150.00618.54
8.2.170.0070.00722.96
8.2.160.0100.00722.20
8.2.150.0040.00424.18
8.2.140.0030.00624.66
8.2.130.0140.00319.77
8.2.120.0060.00826.35
8.2.110.0070.00319.28
8.2.100.0090.00317.78
8.2.90.0050.00317.63
8.2.80.0000.00817.97
8.2.70.0030.00517.80
8.2.60.0040.00418.09
8.2.50.0080.00018.10
8.2.40.0040.00420.91
8.2.30.0040.00419.19
8.2.20.0020.00518.05
8.2.10.0050.00218.00
8.2.00.0080.00017.68
8.1.280.0120.00925.92
8.1.270.0030.00520.65
8.1.260.0080.00026.35
8.1.250.0070.00028.09
8.1.240.0060.00322.05
8.1.230.0040.00722.18
8.1.220.0050.00317.74
8.1.210.0040.00418.77
8.1.200.0060.00317.35
8.1.190.0030.00617.35
8.1.180.0030.00518.10
8.1.170.0040.00418.50
8.1.160.0070.00018.84
8.1.150.0000.00718.75
8.1.140.0040.00422.18
8.1.130.0000.00720.18
8.1.120.0070.00017.30
8.1.110.0040.00417.38
8.1.100.0040.00417.29
8.1.90.0040.00417.32
8.1.80.0050.00217.31
8.1.70.0030.00517.46
8.1.60.0000.00817.54
8.1.50.0000.00717.46
8.1.40.0040.00417.40
8.1.30.0000.00817.63
8.1.20.0030.00717.53
8.1.10.0050.00317.46
8.1.00.0040.00417.41
8.0.300.0070.00018.77
8.0.290.0080.00016.63
8.0.280.0040.00418.36
8.0.270.0040.00417.33
8.0.260.0030.00318.32
8.0.250.0070.00016.86
8.0.240.0030.00316.95
8.0.230.0040.00416.86
8.0.220.0000.00716.82
8.0.210.0000.00716.85
8.0.200.0000.00616.89
8.0.190.0080.00016.78
8.0.180.0040.00416.76
8.0.170.0040.00416.81
8.0.160.0000.00816.94
8.0.150.0040.00416.79
8.0.140.0000.00716.80
8.0.130.0000.00513.24
8.0.120.0030.00516.75
8.0.110.0030.00316.72
8.0.100.0030.00616.87
8.0.90.0070.00016.72
8.0.80.0140.00516.79
8.0.70.0000.00716.73
8.0.60.0000.00716.91
8.0.50.0070.00016.82
8.0.30.0090.00917.20
8.0.20.0080.01117.40
8.0.10.0040.00416.73
8.0.00.0090.00916.66
7.4.330.0000.00515.55
7.4.320.0000.00616.61
7.4.300.0030.00316.67
7.4.290.0030.00516.53
7.4.280.0050.00216.45
7.4.270.0030.00316.56
7.4.260.0070.00016.61
7.4.250.0030.00316.57
7.4.240.0030.00316.49
7.4.230.0030.00316.61
7.4.220.0000.00716.41
7.4.210.0120.00316.55
7.4.200.0030.00316.70
7.4.160.0110.00516.39
7.4.140.0100.00917.86
7.4.130.0060.01116.56
7.4.120.0100.01016.43
7.4.110.0120.00916.41
7.4.100.0100.01016.56
7.4.90.0100.00716.32
7.4.80.0060.00919.39
7.4.70.0160.00016.46
7.4.60.0090.00616.51
7.4.50.0040.01116.54
7.4.40.0060.01016.35
7.4.10.0060.01315.11
7.4.00.0090.00915.00
7.3.330.0000.00513.23
7.3.320.0000.00613.07
7.3.310.0030.00616.34
7.3.300.0070.00016.26
7.3.290.0000.00716.32
7.3.280.0090.00816.23
7.3.260.0090.00916.50
7.3.240.0090.01016.36
7.3.230.0070.01216.23
7.3.210.0030.01416.50
7.3.200.0120.00316.37
7.3.190.0200.00316.46
7.3.180.0030.01716.30
7.3.170.0100.01016.48
7.3.160.0170.00016.66
7.3.130.0110.00714.82
7.3.120.0040.01414.79
7.3.110.0130.00314.98
7.3.100.0130.00014.74
7.3.90.0030.00815.04
7.3.80.0000.01515.00
7.3.70.0060.00614.95
7.3.60.0000.01314.88
7.3.50.0000.00914.73
7.3.40.0040.00814.91
7.3.30.0110.00314.61
7.3.20.0000.00916.65
7.3.10.0070.00716.73
7.3.00.0000.01016.55
7.2.330.0110.00716.65
7.2.320.0140.00516.70
7.2.310.0000.01716.41
7.2.300.0090.00616.66
7.2.290.0060.00916.46
7.2.260.0070.01115.24
7.2.250.0150.00315.30
7.2.240.0100.00315.07
7.2.230.0000.01415.27
7.2.220.0070.01014.75
7.2.210.0060.00915.10
7.2.200.0150.00014.96
7.2.190.0030.01314.93
7.2.180.0030.01015.20
7.2.170.0040.00714.93
7.2.160.0030.00715.18
7.2.150.0030.01016.83
7.2.140.0030.00616.99
7.2.130.0120.00616.87
7.2.120.0060.01017.02
7.2.110.0100.00316.73
7.2.100.0080.00416.60
7.2.90.0040.00817.03
7.2.80.0030.01616.95
7.2.70.0090.00616.93
7.2.60.0030.01317.06
7.2.50.0080.00417.00
7.2.40.0040.01216.94
7.2.30.0090.00616.94
7.2.20.0000.01716.78
7.2.10.0000.01316.71
7.2.00.0030.00616.96
7.1.330.0070.00715.75
7.1.320.0080.00415.46
7.1.310.0000.01115.39
7.1.300.0090.00615.71
7.1.290.0080.00615.64
7.1.280.0040.00715.84
7.1.270.0070.00415.48
7.1.260.0090.00015.67
7.1.250.0000.01715.66
7.1.240.0090.00615.89
7.1.230.0060.00315.71
7.1.220.0100.00315.82
7.1.210.0040.01115.45
7.1.200.0040.01415.65
7.1.190.0040.01115.73
7.1.180.0060.00915.54
7.1.170.0120.00415.76
7.1.160.0100.00315.64
7.1.150.0100.00315.69
7.1.140.0000.01315.71
7.1.130.0070.00715.64
7.1.120.0000.01215.76
7.1.110.0100.00315.68
7.1.100.0100.00715.55
7.1.90.0060.00315.74
7.1.80.0000.00915.79
7.1.70.0060.00615.89
7.1.60.0070.00715.69
7.1.50.0030.00515.70
7.1.40.0040.00415.68
7.1.30.0040.01115.71
7.1.20.0070.00715.68
7.1.10.0040.00415.48
7.1.00.0080.00315.63
7.0.330.0070.00715.16
7.0.320.0030.01015.38
7.0.310.0070.00715.29
7.0.300.0000.00815.40
7.0.290.0060.00615.53
7.0.280.0100.00015.04
7.0.270.0060.00615.21
7.0.260.0030.01015.47
7.0.250.0070.00715.59
7.0.240.0080.00915.55
7.0.230.0030.00615.59
7.0.220.0000.01015.40
7.0.210.0040.01115.19
7.0.200.0080.00815.29
7.0.190.0030.00515.26
7.0.180.0000.00815.27
7.0.170.0070.00315.51
7.0.160.0060.00615.30
7.0.150.0030.00615.22
7.0.140.0000.01215.45
7.0.130.0040.00715.46
7.0.120.0000.00815.47
7.0.110.0060.00615.41
7.0.100.0070.00415.35
7.0.90.0000.01315.42
7.0.80.0030.00915.11
7.0.70.0080.00815.40
7.0.60.0080.00315.44
7.0.50.0080.00415.18
7.0.40.0030.00713.40
7.0.30.0000.01413.48
7.0.20.0100.00313.23
7.0.10.0060.01013.18
7.0.00.0100.00613.52
5.6.400.0040.00414.16
5.6.390.0060.00914.50
5.6.380.0030.01014.46
5.6.370.0000.01414.57
5.6.360.0000.01014.40
5.6.350.0000.01314.33
5.6.340.0070.00714.36
5.6.330.0000.00914.04
5.6.320.0090.00914.53
5.6.310.0000.01514.72
5.6.300.0040.00714.44
5.6.290.0030.01214.55
5.6.280.0070.00714.64
5.6.270.0000.01514.16
5.6.260.0060.00914.43
5.6.250.0000.01114.19
5.6.240.0070.01014.41
5.6.230.0100.00614.21
5.6.220.0060.00914.31
5.6.210.0070.00714.52
5.6.200.0030.00714.12
5.6.190.0140.00014.26
5.6.180.0080.00814.16
5.6.170.0060.00914.18
5.6.160.0030.00614.56
5.6.150.0060.00314.56
5.6.140.0080.00414.46
5.6.130.0000.01114.42
5.6.120.0070.00714.56
5.6.110.0000.01214.54
5.6.100.0000.01514.45
5.6.90.0000.00914.36
5.6.80.0070.01014.13
5.6.70.0060.01014.14
5.6.60.0060.00614.14
5.6.50.0000.01314.24
5.6.40.0040.01414.19
5.6.30.0030.01014.45
5.6.20.0090.00314.03
5.6.10.0000.01514.20
5.6.00.0070.00714.33

preferences:
64.77 ms | 401 KiB | 5 Q