3v4l.org

run code in 300+ PHP versions simultaneously
<?php class PropertyTest { /** Location for overloaded data. */ private $data = array(); /** Overloading not used on declared properties. */ public $declared = 1; /** Overloading only used on this when accessed outside the class. */ private $hidden = 2; public function __set($name, $value) { echo "Setting '$name' to '$value'\n"; $this->data[$name] = $value; } public function __get($name) { echo "Getting '$name'\n"; if (array_key_exists($name, $this->data)) { return $this->data[$name]; } $trace = debug_backtrace(); trigger_error( 'Undefined property via __get(): ' . $name . ' in ' . $trace[0]['file'] . ' on line ' . $trace[0]['line'], E_USER_NOTICE); return null; } /** As of PHP 5.1.0 */ public function __isset($name) { echo "Is '$name' set?\n"; return isset($this->data[$name]); } /** As of PHP 5.1.0 */ public function __unset($name) { echo "Unsetting '$name'\n"; unset($this->data[$name]); } /** Not a magic method, just here for example. */ public function getHidden() { return $this->hidden; } } echo "<pre>\n"; $obj = new PropertyTest; $obj->a = 1; echo $obj->a . "\n\n"; var_dump(isset($obj->a)); unset($obj->a); var_dump(isset($obj->a)); echo "\n"; echo $obj->declared . "\n\n"; echo "Let's experiment with the private property named 'hidden':\n"; echo "Privates are visible inside the class, so __get() not used...\n"; echo $obj->getHidden() . "\n"; echo "Privates not visible outside of class, so __get() is used...\n"; echo $obj->hidden . "\n"; ?>

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)
8.3.60.0040.01118.65
8.3.50.0120.00421.07
8.3.40.0040.01419.00
8.3.30.0140.00018.79
8.3.20.0030.00518.89
8.3.10.0000.01519.30
8.3.00.0080.00021.73
8.2.180.0130.01016.75
8.2.170.0070.00722.96
8.2.160.0070.00720.48
8.2.150.0030.01624.18
8.2.140.0040.00424.66
8.2.130.0040.00426.16
8.2.120.0040.00421.00
8.2.110.0000.01120.47
8.2.100.0120.00017.84
8.2.90.0040.00419.15
8.2.80.0050.00317.97
8.2.70.0090.00717.63
8.2.60.0040.00417.93
8.2.50.0080.00018.07
8.2.40.0060.00318.09
8.2.30.0000.00719.52
8.2.20.0040.00417.72
8.2.10.0000.00817.88
8.2.00.0000.01017.84
8.1.280.0070.00725.92
8.1.270.0040.00423.99
8.1.260.0040.01126.35
8.1.250.0080.00028.09
8.1.240.0030.00722.59
8.1.230.0040.00720.95
8.1.220.0050.00318.77
8.1.210.0040.00418.80
8.1.200.0060.00317.48
8.1.190.0040.00417.63
8.1.180.0060.00318.10
8.1.170.0030.00518.50
8.1.160.0000.00818.94
8.1.150.0000.00818.74
8.1.140.0070.00017.51
8.1.130.0000.00717.88
8.1.120.0070.00017.42
8.1.110.0030.00617.39
8.1.100.0070.00017.51
8.1.90.0040.00417.41
8.1.80.0050.00317.54
8.1.70.0070.00017.36
8.1.60.0030.00617.67
8.1.50.0040.00417.42
8.1.40.0040.00417.45
8.1.30.0000.00817.59
8.1.20.0000.00817.68
8.1.10.0000.00917.62
8.1.00.0070.00017.45
8.0.300.0040.00420.02
8.0.290.0040.00417.18
8.0.280.0080.00018.41
8.0.270.0040.00417.35
8.0.260.0050.00216.94
8.0.250.0080.00017.08
8.0.240.0080.00017.11
8.0.230.0000.00716.92
8.0.220.0000.00716.92
8.0.210.0000.00716.98
8.0.200.0030.00317.08
8.0.190.0030.00517.09
8.0.180.0040.00416.91
8.0.170.0070.00017.01
8.0.160.0030.00317.00
8.0.150.0070.00016.84
8.0.140.0040.00416.93
8.0.130.0000.00713.39
8.0.120.0000.00816.96
8.0.110.0030.00517.05
8.0.100.0030.00316.89
8.0.90.0020.00517.07
8.0.80.0090.00616.92
8.0.70.0040.00416.80
8.0.60.0040.00416.96
8.0.50.0040.00417.06
8.0.30.0090.01117.24
8.0.20.0140.00417.40
8.0.10.0040.00416.95
8.0.00.0120.00616.79
7.4.330.0020.00216.83
7.4.320.0000.00616.64
7.4.300.0030.00316.57
7.4.290.0050.00316.54
7.4.280.0040.00416.46
7.4.270.0000.00716.57
7.4.260.0000.00713.39
7.4.250.0040.00416.50
7.4.240.0070.00016.57
7.4.230.0030.00316.68
7.4.220.0130.00616.64
7.4.210.0080.00716.68
7.4.200.0000.00816.44
7.4.190.0000.00816.66
7.4.160.0100.00516.62
7.4.150.0040.01317.40
7.4.140.0120.00617.86
7.4.130.0130.01016.57
7.4.120.0050.01216.62
7.4.110.0160.00616.56
7.4.100.0000.01716.69
7.4.90.0120.00616.45
7.4.80.0070.01019.39
7.4.70.0180.00016.55
7.4.60.0100.00716.44
7.4.50.0000.00916.64
7.4.40.0070.01116.55
7.4.30.0130.00416.50
7.4.00.0030.01014.91
7.3.330.0000.00513.44
7.3.320.0000.00513.36
7.3.310.0070.00016.56
7.3.300.0030.00316.30
7.3.290.0090.01216.37
7.3.280.0050.01116.43
7.3.270.0030.01417.40
7.3.260.0090.00818.24
7.3.250.0110.01016.59
7.3.240.0160.00016.70
7.3.230.0130.00316.63
7.3.210.0130.00616.43
7.3.200.0110.01119.39
7.3.190.0100.00616.44
7.3.180.0000.01716.45
7.3.170.0060.01116.50
7.3.160.0090.00616.38
7.3.120.0090.00615.06
7.3.100.0090.00614.77
7.3.90.0030.01314.76
7.3.80.0080.00814.85
7.3.70.0140.00014.98
7.3.60.0090.00914.70
7.3.50.0090.00615.05
7.3.40.0140.00314.96
7.3.30.0060.00914.77
7.3.20.0150.00315.02
7.3.10.0250.00814.85
7.3.00.0080.00815.10
7.2.330.0070.01116.83
7.2.320.0070.01116.82
7.2.310.0070.01116.91
7.2.300.0130.00616.77
7.2.290.0030.01416.81
7.2.230.0140.00315.29
7.2.220.0120.00315.09
7.2.210.0090.00615.16
7.2.200.0050.01014.93
7.2.190.0060.01214.91
7.2.180.0090.00614.99
7.2.170.0090.00614.85
7.2.160.0060.01015.34
7.2.150.0040.01115.27
7.2.140.0120.00315.23
7.2.130.0090.00615.07
7.2.120.0110.00615.18
7.2.110.0060.01114.99
7.2.100.0110.00615.18
7.2.90.0090.00615.16
7.2.80.0030.01315.03
7.2.70.0140.00315.10
7.2.60.0110.00415.00
7.2.50.0060.01015.36
7.2.40.0110.00615.19
7.2.30.0110.00715.04
7.2.20.0130.00314.90
7.2.10.0130.00315.05
7.2.00.0360.00415.23
7.1.320.0150.00614.04
7.1.310.0030.01714.02
7.1.300.0080.00814.03
7.1.290.0090.00614.03
7.1.280.0060.00913.94
7.1.270.0080.00614.09
7.1.260.0090.00614.02
7.1.250.0110.00313.85
7.1.240.0130.00313.76
7.1.230.0140.00613.91
7.1.220.0070.01014.02
7.1.210.0130.00413.82
7.1.200.0150.00313.81
7.1.190.0050.01613.71
7.1.180.0040.01313.50
7.1.170.0080.01113.77
7.1.160.0120.00514.04
7.1.150.0130.00514.00
7.1.140.0120.00613.81
7.1.130.0150.00413.70
7.1.120.0130.00913.88
7.1.110.0050.01013.89
7.1.100.0120.00614.01
7.1.90.0120.00914.08
7.1.80.0120.00613.91
7.1.70.0110.00513.80
7.1.60.0050.01513.99
7.1.50.0080.01113.98
7.1.40.0110.01213.93
7.1.30.0120.00914.02
7.1.20.0150.00613.51
7.1.10.0150.00413.88
7.1.00.0060.03118.14
7.0.330.0030.01013.62
7.0.320.0080.00913.13
7.0.310.0100.00713.74
7.0.300.0130.00313.39
7.0.290.0120.00413.32
7.0.280.0130.00313.42
7.0.270.0090.00913.48
7.0.260.0070.01213.41
7.0.250.0090.00913.50
7.0.240.0140.00313.34
7.0.230.0150.00613.44
7.0.220.0100.00613.56
7.0.210.0100.01013.51
7.0.200.0100.00713.51
7.0.190.0130.00413.61
7.0.180.0050.01313.53
7.0.170.0170.00013.65
7.0.160.0070.01513.14
7.0.150.0040.01613.34
7.0.140.0050.03917.90
7.0.130.0040.01313.58
7.0.120.0080.02917.75
7.0.110.0040.02717.75
7.0.100.0090.02017.79
7.0.90.0020.03317.88
7.0.80.0090.02517.76
7.0.70.0040.02817.85
7.0.60.0030.02617.74
7.0.50.0060.02917.79
7.0.40.0070.02217.84
7.0.30.0090.02017.88
7.0.20.0120.02017.77
7.0.10.0050.02517.84
7.0.00.0160.01817.72
5.6.400.0100.00714.08
5.6.390.0110.00514.07
5.6.380.0120.00914.17
5.6.370.0110.00714.40
5.6.360.0090.00914.55
5.6.350.0090.00914.39
5.6.340.0080.01214.30
5.6.330.0130.00614.34
5.6.320.0130.00314.48
5.6.310.0110.01114.54
5.6.300.0140.00514.32
5.6.290.0090.00914.38
5.6.280.0140.03317.79
5.6.270.0140.00414.29
5.6.260.0130.02117.67
5.6.250.0090.02617.62
5.6.240.0060.02917.69
5.6.230.0090.02217.76
5.6.220.0100.02517.77
5.6.210.0060.02417.55
5.6.200.0080.02517.49
5.6.190.0100.02017.67
5.6.180.0070.02217.73
5.6.170.0100.01817.68
5.6.160.0090.02117.67
5.6.150.0060.02617.60
5.6.140.0000.02717.49
5.6.130.0060.02417.48
5.6.120.0050.02617.51
5.6.110.0080.02517.64
5.6.100.0040.02517.57
5.6.90.0090.02117.68
5.6.80.0040.02117.26
5.6.70.0070.02117.32
5.6.60.0060.02217.33
5.6.50.0050.02317.35
5.6.40.0090.02117.18
5.6.30.0080.02617.15
5.6.20.0030.02317.19
5.6.10.0020.02317.28
5.6.00.0090.02017.19
5.5.380.0090.02616.04
5.5.370.0030.03115.82
5.5.360.0090.01916.04
5.5.350.0060.02915.82
5.5.340.0090.02316.09
5.5.330.0040.02316.27
5.5.320.0060.02116.13
5.5.310.0080.01816.15
5.5.300.0080.02316.30
5.5.290.0030.02616.15
5.5.280.0100.01915.95
5.5.270.0050.02416.22
5.5.260.0090.02016.14
5.5.250.0070.02315.79
5.5.240.0030.02415.90
5.5.230.0080.01815.77
5.5.220.0030.02515.86
5.5.210.0070.02115.86
5.5.200.0090.01815.96
5.5.190.0060.02215.73
5.5.180.0060.02015.74
5.5.170.0070.01414.05
5.5.160.0070.02815.66
5.5.150.0030.02415.76
5.5.140.0090.02015.86
5.5.130.0030.02615.74
5.5.120.0060.03115.69
5.5.110.0090.02015.89
5.5.100.0110.02115.71
5.5.90.0030.02315.76
5.5.80.0100.01715.83
5.5.70.0080.02015.70
5.5.60.0080.02015.90
5.5.50.0100.01915.60
5.5.40.0070.02415.68
5.5.30.0030.02615.80
5.5.20.0080.02415.91
5.5.10.0100.02115.61
5.5.00.0080.02515.66
5.4.450.0040.02715.36
5.4.440.0030.02215.21
5.4.430.0040.02415.29
5.4.420.0040.02215.16
5.4.410.0000.02615.09
5.4.400.0050.01714.77
5.4.390.0060.02014.94
5.4.380.0060.01915.11
5.4.370.0000.02915.22
5.4.360.0040.02815.09
5.4.350.0030.02014.93
5.4.340.0030.02015.09
5.4.330.0090.00311.05
5.4.320.0070.02015.03
5.4.310.0090.02215.06
5.4.300.0050.02315.16
5.4.290.0030.02115.15
5.4.280.0060.01914.96
5.4.270.0070.01915.14
5.4.260.0050.02015.25
5.4.250.0090.01814.91
5.4.240.0080.01915.12
5.4.230.0080.01815.03
5.4.220.0050.02314.98
5.4.210.0050.02015.12
5.4.200.0030.02315.11
5.4.190.0070.02415.16
5.4.180.0100.02315.24
5.4.170.0080.02015.05
5.4.160.0090.02215.21
5.4.150.0050.02715.17
5.4.140.0100.01613.76
5.4.130.0100.01513.70
5.4.120.0080.02313.66
5.4.110.0020.02413.89
5.4.100.0080.01813.93
5.4.90.0040.02213.97
5.4.80.0070.02213.85
5.4.70.0040.02213.94
5.4.60.0070.01913.80
5.4.50.0030.02213.88
5.4.40.0040.02113.87
5.4.30.0120.01613.82
5.4.20.0100.01613.95
5.4.10.0080.02413.87
5.4.00.0040.02013.45
5.3.290.0030.01812.78
5.3.280.0020.01912.64
5.3.270.0090.02212.54
5.3.260.0080.02112.65
5.3.250.0080.02212.67
5.3.240.0070.01912.44
5.3.230.0070.01912.69
5.3.220.0070.02012.67
5.3.210.0050.02012.55
5.3.200.0040.01912.60
5.3.190.0080.02012.59
5.3.180.0050.02212.60
5.3.170.0070.01512.69
5.3.160.0040.02112.59
5.3.150.0090.02112.78
5.3.140.0060.01712.55
5.3.130.0050.02312.45
5.3.120.0110.01712.74
5.3.110.0070.01912.64
5.3.100.0050.01912.29
5.3.90.0040.01912.44
5.3.80.0070.01812.36
5.3.70.0030.02112.32
5.3.60.0060.01912.13
5.3.50.0060.01712.27
5.3.40.0110.01312.27
5.3.30.0100.01512.28
5.3.20.0060.02112.19
5.3.10.0050.02112.04
5.3.00.0060.02412.13

preferences:
40.32 ms | 401 KiB | 5 Q