3v4l.org

run code in 300+ PHP versions simultaneously
<?php class A{ public string $x; } $A = new A; var_dump(property_exists($A,'x'));//true var_dump($A); //class A#1 (1) {} // - it counts the property, but hides it var_dump(new stdClass()); //class stdClass#1 (0) {} - empty object

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)
8.3.70.0070.01416.63
8.3.60.0130.00918.18
8.3.50.0090.00617.91
8.3.40.0070.01018.71
8.3.30.0110.00418.49
8.3.20.0080.00020.46
8.3.10.0080.00020.25
8.3.00.0040.00420.44
8.2.180.0140.00418.41
8.2.170.0090.00922.96
8.2.160.0100.00722.11
8.2.150.0080.00324.18
8.2.140.0070.00324.66
8.2.130.0000.00826.16
8.2.120.0040.00420.99
8.2.110.0040.00420.58
8.2.100.0070.00417.66
8.2.90.0000.00820.45
8.2.80.0000.00817.97
8.2.70.0030.00517.93
8.2.60.0000.00818.09
8.2.50.0080.00018.10
8.2.40.0070.00019.39
8.2.30.0050.00319.23
8.2.20.0040.00418.02
8.2.10.0060.00320.97
8.2.00.0040.00419.05
8.1.280.0070.01425.92
8.1.270.0080.00020.89
8.1.260.0040.00426.35
8.1.250.0070.00028.09
8.1.240.0090.00023.73
8.1.230.0110.00320.85
8.1.220.0000.00717.74
8.1.210.0080.00019.22
8.1.200.0050.00317.23
8.1.190.0040.00417.00
8.1.180.0040.00418.74
8.1.170.0000.00818.53
8.1.160.0040.00419.00
8.1.150.0000.00718.91
8.1.140.0070.00022.14
8.1.130.0070.00017.24
8.1.120.0050.00317.37
8.1.110.0070.00017.42
8.1.100.0040.00417.40
8.1.90.0000.00717.39
8.1.80.0040.00417.29
8.1.70.0000.00717.21
8.1.60.0000.01017.43
8.1.50.0060.00317.45
8.1.40.0040.00417.48
8.1.30.0070.00317.59
8.1.20.0040.00417.48
8.1.10.0030.00617.46
8.1.00.0000.00817.30
8.0.300.0000.00919.95
8.0.290.0040.00416.63
8.0.280.0030.00318.32
8.0.270.0050.00216.80
8.0.260.0000.00716.67
8.0.250.0000.00716.90
8.0.240.0030.00616.93
8.0.230.0070.00016.87
8.0.220.0030.00316.78
8.0.210.0060.00016.74
8.0.200.0000.00616.89
8.0.190.0030.00716.93
8.0.180.0040.00416.83
8.0.170.0000.00816.86
8.0.160.0040.00416.66
8.0.150.0040.00416.71
8.0.140.0000.00716.79
8.0.130.0000.00513.26
8.0.120.0000.00816.69
8.0.110.0050.00316.81
8.0.100.0040.00416.64
8.0.90.0030.00616.87
8.0.80.0050.00916.75
8.0.70.0070.00016.83
8.0.60.0070.00016.67
8.0.50.0000.00816.86
8.0.30.0070.01016.91
8.0.20.0040.01616.94
8.0.10.0000.00716.86
8.0.00.0150.00316.66
7.4.330.0070.00015.55
7.4.320.0030.00316.51
7.4.300.0000.00616.46
7.4.290.0040.00416.59
7.4.280.0040.00416.44
7.4.270.0000.00716.54
7.4.260.0050.00013.11
7.4.250.0030.00316.41
7.4.240.0040.00316.37
7.4.230.0070.00016.46
7.4.220.0040.00416.44
7.4.210.0070.01116.48
7.4.200.0070.00016.34
7.4.140.0000.01817.86
7.4.130.0060.00916.34
7.4.120.0130.01216.42
7.4.110.0100.00716.30
7.4.100.0110.00616.31
7.4.90.0140.00316.27
7.4.80.0200.00319.39
7.4.70.0130.00816.41
7.4.60.0130.00416.41
7.4.50.0070.01016.19
7.4.40.0030.01916.47
7.4.00.0090.00614.95
7.3.330.0030.00316.32
7.3.320.0070.00012.99
7.3.310.0000.00716.27
7.3.300.0070.00016.16
7.3.290.0070.00816.15
7.3.280.0090.00616.15
7.3.260.0030.01416.06
7.3.240.0120.00516.15
7.3.230.0100.01316.06
7.3.210.0080.00816.24
7.3.200.0130.00316.18
7.3.190.0070.01116.06
7.3.180.0100.00716.45
7.3.170.0210.00016.32
7.3.160.0060.00916.24
7.3.120.0120.00514.63
7.3.110.0050.01114.72
7.3.100.0070.00914.81
7.3.90.0070.00814.60
7.3.80.0060.00614.69
7.3.70.0030.01014.61
7.3.60.0070.00814.64
7.3.50.0060.01014.56
7.3.40.0050.00714.66
7.3.30.0070.00714.73
7.3.20.0120.00615.61
7.3.10.0080.00915.50
7.3.00.0190.00515.63
7.2.330.0070.01116.12
7.2.320.0060.01016.23
7.2.310.0160.00016.32
7.2.300.0140.00716.19
7.2.290.0190.00316.24
7.2.250.0090.00914.68
7.2.240.0030.01314.58
7.2.230.0070.01014.84
7.2.220.0080.00814.71
7.2.210.0120.00514.59
7.2.200.0050.00914.67
7.2.190.0120.00614.74
7.2.180.0080.00614.84
7.2.170.0040.01114.65
7.2.160.0100.00714.71
7.2.150.0080.00516.88
7.2.140.0030.00716.63
7.2.130.0100.00316.73
7.2.120.0110.00416.59
7.2.110.0030.01416.66
7.2.100.0030.00616.66
7.2.90.0000.01016.66
7.2.80.0090.00616.43
7.2.70.0130.00316.69
7.2.60.0060.00616.38
7.2.50.0090.00916.87
7.2.40.0030.01616.86
7.2.30.0030.01416.71
7.2.20.0060.01216.89
7.2.10.0070.01116.72
7.2.00.0110.00416.52
7.1.330.0070.00713.77
7.1.320.0110.00313.78
7.1.310.0060.00913.65
7.1.300.0120.00613.52
7.1.290.0030.01413.60
7.1.280.0130.00313.60
7.1.270.0090.00913.54
7.1.260.0100.00313.52

preferences:
60.33 ms | 401 KiB | 5 Q