3v4l.org

run code in 300+ PHP versions simultaneously
<?php class Shape { public $hasSides = true; } class Square extends Shape { } $square = new Square(); // Add your code below! if (property_exists ($square, '$hasSides')) { echo "I have sides!"; } ?>

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)
8.3.60.0120.00916.38
8.3.50.0090.00616.48
8.3.40.0030.01718.73
8.3.30.0100.01318.45
8.3.20.0030.01223.48
8.3.10.0040.00423.71
8.3.00.0170.00019.68
8.2.180.0120.00618.54
8.2.170.0000.01522.96
8.2.160.0090.00620.39
8.2.150.0040.00424.18
8.2.140.0100.01024.66
8.2.130.0040.00420.47
8.2.120.0210.00026.35
8.2.110.0070.00320.44
8.2.100.0110.00017.72
8.2.90.0000.00819.13
8.2.80.0050.00317.97
8.2.70.0090.00017.36
8.2.60.0050.00317.91
8.2.50.0030.00618.10
8.2.40.0020.00722.21
8.2.30.0040.00620.97
8.2.20.0090.00018.06
8.2.10.0080.00018.01
8.2.00.0000.00717.87
8.1.280.0070.01525.92
8.1.270.0030.00620.61
8.1.260.0150.00026.35
8.1.250.0060.00928.09
8.1.240.0060.00320.60
8.1.230.0080.00319.16
8.1.220.0080.00017.74
8.1.210.0040.00418.77
8.1.200.0130.00017.00
8.1.190.0030.00519.01
8.1.180.0000.00818.10
8.1.170.0050.00318.46
8.1.160.0050.00319.02
8.1.150.0050.00320.48
8.1.140.0000.00819.41
8.1.130.0040.00420.52
8.1.120.0000.00717.41
8.1.110.0080.00017.29
8.1.100.0000.00817.29
8.1.90.0050.00317.30
8.1.80.0040.00417.26
8.1.70.0070.00017.47
8.1.60.0040.00417.56
8.1.50.0080.00017.34
8.1.40.0000.00817.43
8.1.30.0080.00017.48
8.1.20.0030.00617.42
8.1.10.0040.00417.38
8.1.00.0040.00417.45
8.0.300.0040.00418.77
8.0.290.0050.00216.58
8.0.280.0000.00818.38
8.0.270.0000.00817.12
8.0.260.0040.00418.81
8.0.250.0000.00716.86
8.0.240.0070.00016.92
8.0.230.0050.00216.91
8.0.220.0000.00816.86
8.0.210.0030.00616.81
8.0.200.0070.00016.93
8.0.190.0000.00916.86
8.0.180.0070.00016.75
8.0.170.0040.00416.88
8.0.160.0000.00816.87
8.0.150.0000.00716.78
8.0.140.0050.00316.68
8.0.130.0000.00613.23
8.0.120.0000.00816.71
8.0.110.0070.00016.61
8.0.100.0000.00716.84
8.0.90.0070.00016.90
8.0.80.0060.01516.78
8.0.70.0000.00816.64
8.0.60.0000.00716.70
8.0.50.0050.00216.88
8.0.30.0160.00417.00
8.0.20.0110.00917.40
8.0.10.0040.00416.97
8.0.00.0200.00316.57
7.4.330.0000.00515.55
7.4.320.0000.00616.44
7.4.300.0030.00316.44
7.4.290.0030.00716.41
7.4.280.0000.00716.46
7.4.270.0000.00716.55
7.4.260.0000.00716.43
7.4.250.0040.00416.41
7.4.240.0070.00016.47
7.4.230.0030.00316.64
7.4.220.0100.01016.55
7.4.210.0040.01116.55
7.4.200.0050.00316.44
7.4.160.0110.01116.58
7.4.150.0100.01017.40
7.4.140.0080.01117.86
7.4.130.0120.00616.54
7.4.120.0120.00816.43
7.4.110.0070.01016.27
7.4.100.0140.00716.42
7.4.90.0040.01316.39
7.4.80.0130.01019.39
7.4.70.0090.00816.52
7.4.60.0080.00816.48
7.4.50.0040.01416.31
7.4.40.0030.01716.41
7.4.30.0060.01716.35
7.4.00.0000.01314.76
7.3.330.0000.00713.17
7.3.320.0030.00313.14
7.3.310.0040.00416.20
7.3.300.0000.00716.03
7.3.290.0100.00416.19
7.3.280.0070.01016.13
7.3.270.0080.00917.40
7.3.260.0150.00816.44
7.3.250.0110.00916.32
7.3.240.0080.00916.23
7.3.230.0140.00716.25
7.3.210.0140.00316.58
7.3.200.0130.01616.33
7.3.190.0130.01016.29
7.3.180.0090.00616.23
7.3.170.0100.00716.36
7.3.160.0040.01116.18
7.3.120.0060.01014.70
7.3.110.0070.01014.79
7.3.100.0060.00914.70
7.3.90.0070.01014.95
7.3.80.0110.00414.72
7.3.70.0110.00314.75
7.3.60.0060.00614.79
7.3.50.0090.00014.46
7.3.40.0060.00914.83
7.3.30.0000.01314.78
7.3.20.0130.00016.52
7.3.10.0070.01016.45
7.3.00.0100.00316.67
7.2.330.0090.00916.48
7.2.320.0160.00716.61
7.2.310.0090.00616.65
7.2.300.0110.00716.31
7.2.290.0130.00716.39
7.2.240.0000.01214.91
7.2.230.0100.00314.90
7.2.220.0110.00014.70
7.2.210.0030.01314.97
7.2.200.0040.00814.91
7.2.190.0040.01114.84
7.2.180.0070.00714.84
7.2.170.0100.00714.85
7.2.160.0130.00314.79
7.2.150.0070.01016.94
7.2.140.0030.00916.86
7.2.130.0000.01216.83
7.2.120.0090.00616.72
7.2.110.0100.00316.64
7.2.100.0030.01416.70
7.2.90.0030.01216.67
7.2.80.0050.00516.80
7.2.70.0120.00316.74
7.2.60.0070.01016.79
7.2.50.0050.00816.75
7.2.40.0070.01016.71
7.2.30.0070.01116.75
7.2.20.0100.00716.59
7.2.10.0080.00816.71
7.2.00.0000.01116.86
7.1.330.0070.00715.74
7.1.320.0040.01115.66
7.1.310.0030.01415.89
7.1.300.0090.00615.70
7.1.290.0060.00315.77
7.1.280.0040.00815.72
7.1.270.0040.01115.68
7.1.260.0000.01615.88
7.1.250.0060.00915.59
7.1.200.0190.00515.51
7.1.70.0030.01016.81
7.1.60.0200.01334.89
7.1.50.0130.02034.84
7.1.40.0130.01334.53
7.1.30.0200.01334.39
7.1.20.0270.00734.53
7.1.10.0070.00716.54
7.1.00.0030.01016.66
7.0.200.0070.00716.68
7.0.190.0100.00316.33
7.0.180.0030.01316.29
7.0.170.0030.01016.09
7.0.160.0070.01316.06
7.0.150.0070.00715.92
7.0.140.0030.01016.11
7.0.130.0030.01016.43
7.0.120.0030.01016.31
7.0.110.0070.01016.12
7.0.100.0030.01016.09
7.0.90.0000.01316.17
7.0.80.0030.01016.33
7.0.70.0000.01316.23
7.0.60.0000.01016.08
7.0.50.0070.00716.38
7.0.40.0070.00716.38
7.0.30.0130.00016.54
7.0.20.0100.00316.40
7.0.10.0000.01316.35
7.0.00.0070.00716.39

preferences:
65.48 ms | 401 KiB | 5 Q