3v4l.org

run code in 300+ PHP versions simultaneously
<?php $name="why";//声明变量$name,并初始化 function echoName1() { //在函数echoName1()里使用global来声明$name global $name; echo "the first name is ".$name."<br>"; } function echoName2() { //在函数echoName2()里没有使用global来声明$name echo "the second name is ".$name."<br>"; } echoName1(); echoName2(); $last_name = "O'Keefe"; echo $sql = "select * from users where last_name = '" . addslashes($last_name) . "'"; class Person { //下面是人的成员属性 var $name; //人的名子 var $sex; //人的性别 var $age; //人的年龄 //定义一个构造方法参数为属性姓名$name、性别$sex和年龄$age进行赋值 function __construct($name = "", $sex = "", $age = "") { $this->name=$name; $this->sex=$sex; $this->age=$age; } //这个人可以说话的方法, 说出自己的属性 function say() { echo "我的名子叫:" . $this->name . " 性别:" . $this->sex . " 我的年龄是:" . $this->age . "<br>"; } //对象克隆时自动调用的方法, 如果想在克隆后改变原对象的内容,需要在__clone()中重写原本的属性和方法 function __clone() { //$this指的复本p2, 而$that是指向原本p1,这样就在本方法里,改变了复本的属性。 $this->name = "我是假的 $that->name"; $this->age = 30; } } $p1 = new Person("张三", "男", 20); $p2 = clone $p1; $p1->say(); $p2->say();

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)
8.3.60.0090.00918.27
8.3.50.0100.00722.06
8.3.40.0110.00418.79
8.3.30.0150.00019.22
8.3.20.0040.00720.29
8.3.10.0040.00422.10
8.3.00.0080.00022.51
8.2.180.0040.01116.88
8.2.170.0120.00322.96
8.2.160.0100.01020.63
8.2.150.0040.00424.18
8.2.140.0080.00024.66
8.2.130.0040.00426.16
8.2.120.0040.00419.36
8.2.110.0070.00321.03
8.2.100.0080.00417.84
8.2.90.0030.00619.21
8.2.80.0000.00817.97
8.2.70.0060.00317.75
8.2.60.0040.00417.80
8.2.50.0040.00418.07
8.2.40.0040.00419.88
8.2.30.0000.00818.09
8.2.20.0050.00217.62
8.2.10.0000.00717.75
8.2.00.0000.00717.74
8.1.280.0170.00325.92
8.1.270.0000.00823.96
8.1.260.0050.00326.35
8.1.250.0050.00228.09
8.1.240.0040.00422.62
8.1.230.0070.00418.91
8.1.220.0080.00017.76
8.1.210.0060.00318.77
8.1.200.0060.00317.35
8.1.190.0030.00617.13
8.1.180.0040.00418.10
8.1.170.0030.00518.46
8.1.160.0060.00318.91
8.1.150.0030.00618.59
8.1.140.0040.00417.43
8.1.130.0000.00817.47
8.1.120.0050.00217.52
8.1.110.0050.00217.50
8.1.100.0000.00717.48
8.1.90.0030.00517.49
8.1.80.0070.00017.50
8.1.70.0070.00017.35
8.1.60.0060.00317.66
8.1.50.0040.00417.43
8.1.40.0030.00617.57
8.1.30.0080.00017.66
8.1.20.0000.00917.56
8.1.10.0000.00717.62
8.1.00.0040.00417.49
8.0.300.0030.00618.79
8.0.290.0060.00316.72
8.0.280.0030.00518.52
8.0.270.0000.01017.29
8.0.260.0030.00316.78
8.0.250.0070.00017.08
8.0.240.0030.00316.98
8.0.230.0050.00217.12
8.0.220.0000.00716.99
8.0.210.0040.00416.89
8.0.200.0030.00617.07
8.0.190.0040.00716.94
8.0.180.0000.00816.89
8.0.170.0000.00816.91
8.0.160.0070.00017.00
8.0.150.0000.00716.88
8.0.140.0040.00416.88
8.0.130.0050.00013.29
8.0.120.0040.00416.86
8.0.110.0040.00416.95
8.0.100.0070.00017.02
8.0.90.0040.00416.98
8.0.80.0130.00616.96
8.0.70.0000.00916.92
8.0.60.0040.00416.97
8.0.50.0040.00416.86
8.0.30.0190.00317.12
8.0.20.0110.00717.40
8.0.10.0070.00016.97
8.0.00.0110.00616.92
7.4.330.0030.00315.20
7.4.320.0000.00616.60
7.4.300.0000.00716.60
7.4.290.0030.00316.52
7.4.280.0030.00316.50
7.4.270.0030.00316.62
7.4.260.0020.00516.41
7.4.250.0040.00416.55
7.4.240.0020.00516.56
7.4.230.0020.00516.56
7.4.220.0140.00316.59
7.4.210.0100.00616.62
7.4.200.0030.00316.28
7.4.190.0040.00416.68
7.4.160.0090.01216.44
7.4.150.0090.00917.40
7.4.140.0140.00817.86
7.4.130.0080.01216.55
7.4.120.0080.00816.58
7.4.110.0130.00616.53
7.4.100.0150.00516.59
7.4.90.0130.01016.61
7.4.80.0090.00919.39
7.4.70.0140.00316.41
7.4.60.0160.00016.81
7.4.50.0030.00616.70
7.4.40.0090.00922.77
7.4.30.0050.01016.50
7.4.00.0020.01415.09
7.3.330.0000.00513.36
7.3.320.0000.00513.32
7.3.310.0040.00416.46
7.3.300.0040.00416.23
7.3.290.0110.00716.38
7.3.280.0140.00616.39
7.3.270.0030.01617.40
7.3.260.0110.00716.36
7.3.250.0080.01116.55
7.3.240.0090.00916.44
7.3.230.0150.00316.52
7.3.210.0070.01016.55
7.3.200.0100.01319.39
7.3.190.0070.01316.60
7.3.180.0060.01216.61
7.3.170.0090.01516.47
7.3.160.0040.01316.55
7.3.120.0050.01314.86
7.3.110.0060.01214.68
7.3.100.0140.00414.96
7.3.90.0060.00615.02
7.3.80.0060.00915.11
7.3.70.0040.01114.68
7.3.60.0090.00914.89
7.3.50.0000.01315.06
7.3.40.0000.01414.79
7.3.30.0040.00415.02
7.3.20.0070.00716.53
7.3.10.0020.01216.72
7.3.00.0060.00616.58
7.2.330.0120.00616.79
7.2.320.0070.01416.66
7.2.310.0030.01816.66
7.2.300.0100.00716.44
7.2.290.0150.00016.93
7.2.250.0080.00815.10
7.2.240.0060.00614.99
7.2.230.0070.00715.02
7.2.220.0040.01115.19
7.2.210.0030.01614.86
7.2.200.0000.01515.07
7.2.190.0040.01114.95
7.2.180.0120.00315.14
7.2.170.0000.01415.08
7.2.160.0000.01215.25
7.2.150.0000.01316.70
7.2.140.0000.01016.71
7.2.130.0020.01216.97
7.2.120.0090.00616.97
7.2.110.0080.00716.78
7.2.100.0050.00916.93
7.2.90.0050.00917.06
7.2.80.0040.00616.88
7.2.70.0030.00816.87
7.2.60.0080.00716.87
7.2.50.0110.00316.71
7.2.40.0010.01116.82
7.2.30.0030.01017.04
7.2.20.0050.00917.05
7.2.10.0030.00916.77
7.2.00.0030.01217.72
7.1.330.0030.01415.93
7.1.320.0030.01015.63
7.1.310.0000.01315.96
7.1.300.0070.00415.67
7.1.290.0030.01015.67
7.1.280.0000.01415.77
7.1.270.0030.00915.61
7.1.260.0030.00615.78
7.1.250.0050.00915.85
7.1.240.0070.00315.80
7.1.230.0150.00315.56
7.1.220.0000.01016.00
7.1.210.0000.00915.71
7.1.200.0020.00915.67
7.1.190.0030.00915.98
7.1.180.0060.00615.75
7.1.170.0000.01315.63
7.1.160.0050.00515.62
7.1.150.0000.01415.80
7.1.140.0000.01215.97
7.1.130.0070.00715.98
7.1.120.0040.00415.96
7.1.110.0040.00715.79
7.1.100.0040.00717.08
7.1.90.0070.00715.88
7.1.80.0000.01015.79
7.1.70.0050.00616.60
7.1.60.0090.00917.80
7.1.50.0030.01616.51
7.1.40.0110.00715.57
7.1.30.0080.00415.96
7.1.20.0070.00315.79
7.1.10.0130.00015.47
7.1.00.0050.04319.14
7.0.330.0000.00915.37
7.0.320.0000.01415.48
7.0.310.0030.01015.30
7.0.300.0070.01015.46
7.0.290.0070.00715.18
7.0.280.0090.00015.59
7.0.270.0000.01115.48
7.0.260.0000.01315.56
7.0.250.0060.00615.52
7.0.240.0050.00315.24
7.0.230.0070.00715.23
7.0.220.0030.00615.54
7.0.210.0030.01015.47
7.0.200.0040.01016.08
7.0.190.0040.01115.34
7.0.180.0110.00415.41
7.0.170.0030.00715.45
7.0.160.0100.00315.38
7.0.150.0000.00815.47
7.0.140.0020.04118.72
7.0.130.0110.00015.33
7.0.120.0000.01115.39
7.0.110.0110.00415.55
7.0.100.0270.03517.74
7.0.90.0250.04017.68
7.0.80.0330.04317.75
7.0.70.0280.04317.72
7.0.60.0280.04517.57
7.0.50.0230.04617.87
7.0.40.0050.04516.66
7.0.30.0120.04016.73
7.0.20.0030.04616.80
7.0.10.0090.04016.85
7.0.00.0070.04116.81
5.6.400.0000.01114.52
5.6.390.0110.00014.25
5.6.380.0030.00914.43
5.6.370.0030.00914.58
5.6.360.0030.01014.75
5.6.350.0110.00414.31
5.6.340.0000.00914.59
5.6.330.0030.01414.29
5.6.320.0130.00014.04
5.6.310.0060.00314.18
5.6.300.0000.01014.61
5.6.290.0000.00914.25
5.6.280.0000.04217.79
5.6.270.0100.00314.43
5.6.260.0100.00614.15
5.6.250.0130.04017.56
5.6.240.0100.04217.55
5.6.230.0040.04817.43
5.6.220.0000.04817.34
5.6.210.0100.04317.55
5.6.200.0050.04617.90
5.6.190.0090.03817.91
5.6.180.0020.04817.76
5.6.170.0050.04817.77
5.6.160.0030.04417.71
5.6.150.0050.04017.72
5.6.140.0090.03917.75
5.6.130.0050.04917.75
5.6.120.0100.01817.63
5.6.110.0050.02817.86
5.6.100.0080.02817.71
5.6.90.0050.02517.71
5.6.80.0050.02217.25
5.6.70.0030.02517.42
5.6.60.0100.01717.24
5.6.50.0070.02017.37
5.6.40.0050.02317.54
5.6.30.0050.03017.31
5.6.20.0050.02417.48
5.6.10.0000.02617.40
5.6.00.0050.02517.27
5.5.380.0060.03017.34
5.5.370.0110.04117.39
5.5.360.0050.04317.45
5.5.350.0080.04217.41
5.5.340.0110.04017.45
5.5.330.0060.04617.41
5.5.320.0030.03317.72
5.5.310.0070.04217.45
5.5.300.0130.02817.58
5.5.290.0140.03517.52
5.5.280.0030.03917.64
5.5.270.0060.03117.38
5.5.260.0050.04317.45
5.5.250.0080.03717.54
5.5.240.0050.02817.30
5.5.230.0000.02617.28
5.5.220.0080.02217.35
5.5.210.0020.02717.18
5.5.200.0040.02417.26
5.5.190.0070.02217.16
5.5.180.0080.02217.32
5.5.170.0070.00414.38
5.5.160.0050.02317.07
5.5.150.0040.02817.25
5.5.140.0060.02517.19
5.5.130.0080.02217.32
5.5.120.0080.02017.24
5.5.110.0070.02217.15
5.5.100.0000.03417.33
5.5.90.0000.02417.05
5.5.80.0060.03517.08
5.5.70.0110.02517.23
5.5.60.0040.02217.20
5.5.50.0030.02617.23
5.5.40.0000.03317.15
5.5.30.0030.02417.25
5.5.20.0050.03317.24
5.5.10.0070.02217.03
5.5.00.0070.02717.23
5.4.450.0040.02915.94
5.4.440.0080.02715.83
5.4.430.0050.03215.99
5.4.420.0100.03715.93
5.4.410.0070.02215.90
5.4.400.0070.02215.75
5.4.390.0070.02015.79
5.4.380.0040.02415.74
5.4.370.0030.02715.83
5.4.360.0090.01815.83
5.4.350.0050.02015.83
5.4.340.0070.03715.79
5.4.330.0050.00212.45
5.4.320.0020.02415.74
5.4.310.0020.02115.77
5.4.300.0040.02015.67
5.4.290.0050.02215.69
5.4.280.0050.02115.67
5.4.270.0030.02615.67
5.4.260.0070.02715.79
5.4.250.0070.02015.79
5.4.240.0070.01815.67
5.4.230.0080.03615.79
5.4.220.0050.03815.77
5.4.210.0080.01615.67
5.4.200.0030.03815.78
5.4.190.0030.02315.69
5.4.180.0060.01915.68
5.4.170.0050.04015.82
5.4.160.0020.02415.74
5.4.150.0060.02015.78
5.4.140.0060.02314.45
5.4.130.0060.02414.42
5.4.120.0070.01814.37
5.4.110.0080.03614.43
5.4.100.0040.03914.49
5.4.90.0090.01614.39
5.4.80.0020.04214.38
5.4.70.0080.03514.41
5.4.60.0020.04214.45
5.4.50.0050.02014.45
5.4.40.0070.03814.45
5.4.30.0050.03914.37
5.4.20.0040.03214.39
5.4.10.0060.03414.35
5.4.00.0060.03314.12
5.3.290.0060.02113.56
5.3.280.0080.02013.59
5.3.270.0040.02213.53
5.3.260.0080.02313.56
5.3.250.0060.02013.56
5.3.240.0000.02513.60
5.3.230.0070.01813.52
5.3.220.0050.01813.49
5.3.210.0030.03613.54
5.3.200.0100.03413.49
5.3.190.0030.04313.53
5.3.180.0020.02113.52
5.3.170.0020.04213.48
5.3.160.0100.03513.52
5.3.150.0070.03813.53
5.3.140.0050.04213.54
5.3.130.0020.04513.52
5.3.120.0050.03613.49
5.3.110.0070.01613.53
5.3.100.0030.03213.28
5.3.90.0030.03113.29
5.3.80.0000.03613.18
5.3.70.0030.02113.25
5.3.60.0020.04113.19
5.3.50.0070.03813.22
5.3.40.0070.02513.15
5.3.30.0060.01813.18
5.3.20.0030.02013.04
5.3.10.0070.02513.06
5.3.00.0020.03113.07
5.2.170.0030.06311.88
5.2.160.0000.06711.88
5.2.150.0030.05711.88
5.2.140.0070.05711.88
5.2.130.0030.06011.88
5.2.120.0000.06711.88
5.2.110.0000.06011.88
5.2.100.0070.02311.88
5.2.90.0030.06011.88
5.2.80.0100.05711.88
5.2.70.0070.06311.88
5.2.60.0030.06011.88
5.2.50.0070.05711.88
5.2.40.0070.05711.88
5.2.30.0030.05311.88
5.2.20.0070.04311.88
5.2.10.0030.02711.88
5.2.00.0070.06011.88
5.1.60.0000.04011.88
5.1.50.0000.03311.88
5.1.40.0030.05311.88
5.1.30.0030.04711.88
5.1.20.0030.05011.88
5.1.10.0030.04311.88
5.1.00.0000.02711.88
5.0.50.0030.03011.88
5.0.40.0000.04311.88
5.0.30.0000.06711.88
5.0.20.0000.04711.88
5.0.10.0030.04711.88
5.0.00.0000.06311.88
4.4.90.0000.03711.88
4.4.80.0000.01311.88
4.4.70.0000.01711.88
4.4.60.0030.03311.88
4.4.50.0000.03711.88
4.4.40.0030.02311.88
4.4.30.0000.03711.88
4.4.20.0030.02311.88
4.4.10.0000.03311.88
4.4.00.0030.02711.88
4.3.110.0030.03011.88
4.3.100.0000.04011.88
4.3.90.0000.03311.88
4.3.80.0000.03011.88
4.3.70.0070.03011.88
4.3.60.0000.02011.88
4.3.50.0070.03011.88
4.3.40.0000.05711.88
4.3.30.0000.02711.88
4.3.20.0030.03311.88
4.3.10.0000.03311.88
4.3.00.0030.02311.88

preferences:
65.58 ms | 401 KiB | 5 Q