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) . "'";

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)
8.3.60.0070.01018.67
8.3.50.0110.00722.03
8.3.40.0070.01018.84
8.3.30.0070.01419.09
8.3.20.0000.00720.33
8.3.10.0040.00422.14
8.3.00.0050.00322.37
8.2.180.0100.01416.63
8.2.170.0110.00322.96
8.2.160.0110.00420.91
8.2.150.0040.00424.18
8.2.140.0050.00324.66
8.2.130.0040.00426.16
8.2.120.0080.00019.61
8.2.110.0070.01122.08
8.2.100.0030.00917.91
8.2.90.0000.00719.23
8.2.80.0000.00817.97
8.2.70.0040.00417.50
8.2.60.0030.00517.93
8.2.50.0060.00318.07
8.2.40.0080.00018.14
8.2.30.0050.00217.93
8.2.20.0040.00417.71
8.2.10.0000.00817.70
8.2.00.0000.00917.70
8.1.280.0180.00025.92
8.1.270.0080.00023.91
8.1.260.0040.00426.35
8.1.250.0040.00428.09
8.1.240.0030.00623.80
8.1.230.0070.00319.06
8.1.220.0050.00317.79
8.1.210.0040.00418.77
8.1.200.0060.00317.36
8.1.190.0000.00817.40
8.1.180.0030.00518.10
8.1.170.0030.00518.51
8.1.160.0040.00422.04
8.1.150.0000.00718.61
8.1.140.0040.00417.45
8.1.130.0070.00017.72
8.1.120.0000.00717.50
8.1.110.0000.00817.35
8.1.100.0000.00717.31
8.1.90.0000.00817.34
8.1.80.0070.00017.28
8.1.70.0040.00417.33
8.1.60.0030.00617.63
8.1.50.0000.00817.55
8.1.40.0000.00717.51
8.1.30.0000.00817.69
8.1.20.0040.00417.57
8.1.10.0000.00717.39
8.1.00.0000.00817.42
8.0.300.0050.00318.77
8.0.290.0070.00017.05
8.0.280.0030.00318.47
8.0.270.0030.00717.15
8.0.260.0070.00016.88
8.0.250.0000.00717.06
8.0.240.0050.00216.90
8.0.230.0030.00316.98
8.0.220.0000.00716.97
8.0.210.0000.00716.94
8.0.200.0000.00616.90
8.0.190.0000.00817.00
8.0.180.0050.00216.96
8.0.170.0000.00817.06
8.0.160.0040.00416.83
8.0.150.0000.00716.90
8.0.140.0050.00216.88
8.0.130.0060.00013.33
8.0.120.0000.00816.87
8.0.110.0040.00416.94
8.0.100.0070.00016.74
8.0.90.0030.00516.76
8.0.80.0110.00716.92
8.0.70.0040.00416.94
8.0.60.0080.00016.85
8.0.50.0050.00216.67
8.0.30.0110.01417.09
8.0.20.0060.01517.40
8.0.10.0030.00516.88
8.0.00.0120.00516.85
7.4.330.0050.00015.00
7.4.320.0000.00616.48
7.4.300.0030.00316.47
7.4.290.0000.00916.40
7.4.280.0040.00416.52
7.4.270.0000.00716.51
7.4.260.0000.00616.50
7.4.250.0040.00416.47
7.4.240.0040.00416.58
7.4.230.0000.00716.57
7.4.220.0100.00716.54
7.4.210.0060.01116.53
7.4.200.0040.00416.46
7.4.190.0000.00816.53
7.4.160.0100.01016.57
7.4.150.0070.01017.40
7.4.140.0100.01617.86
7.4.130.0100.01116.53
7.4.120.0150.00316.52
7.4.110.0030.01416.43
7.4.100.0080.01116.69
7.4.90.0040.01516.62
7.4.80.0060.01219.39
7.4.70.0030.01316.50
7.4.60.0070.01016.32
7.4.50.0020.00216.62
7.4.40.0060.00922.77
7.4.30.0030.01216.52
7.4.00.0060.00715.08
7.3.330.0050.00013.28
7.3.320.0050.00013.10
7.3.310.0000.00716.34
7.3.300.0030.00316.21
7.3.290.0140.00316.39
7.3.280.0050.01216.33
7.3.270.0200.00017.40
7.3.260.0140.00716.50
7.3.250.0120.00816.49
7.3.240.0060.00916.48
7.3.230.0160.00016.43
7.3.210.0090.00916.34
7.3.200.0060.01219.39
7.3.190.0000.02116.36
7.3.180.0140.00316.55
7.3.170.0050.01116.45
7.3.160.0070.01016.38
7.3.120.0100.00814.87
7.3.110.0100.01014.85
7.3.100.0070.01014.70
7.3.90.0040.01814.90
7.3.80.0120.00614.93
7.3.70.0030.01014.79
7.3.60.0040.01114.82
7.3.50.0120.00314.39
7.3.40.0030.00614.59
7.3.30.0000.00914.93
7.3.20.0100.00616.81
7.3.10.0080.00316.67
7.3.00.0030.01416.61
7.2.330.0030.01916.39
7.2.320.0030.01616.66
7.2.310.0000.01716.64
7.2.300.0060.01016.79
7.2.290.0150.00616.46
7.2.250.0100.00614.95
7.2.240.0060.01215.16
7.2.230.0080.00814.87
7.2.220.0070.00315.09
7.2.210.0150.00315.26
7.2.200.0090.00615.13
7.2.190.0040.01414.87
7.2.180.0060.00615.09
7.2.170.0030.01014.97
7.2.00.0000.01219.34
7.1.330.0070.00715.73
7.1.320.0070.01416.04
7.1.310.0000.01215.98
7.1.300.0060.00915.63
7.1.290.0070.01015.70
7.1.280.0030.00615.72
7.1.270.0100.00315.53
7.1.260.0060.00815.77
7.1.100.0000.01318.35
7.1.70.0000.00917.06
7.1.60.0040.01219.82
7.1.50.0000.01516.85
7.1.00.0130.06722.43
7.0.200.0090.00416.72
7.0.140.0100.06721.97
7.0.60.0000.07719.82
7.0.50.0170.07317.86
7.0.40.0100.04320.11
7.0.30.0330.04720.34
7.0.20.0200.07720.26
7.0.10.0230.03320.16
7.0.00.0030.05720.16
5.6.280.0100.06721.11
5.6.210.0030.09020.75
5.6.200.0070.08018.19
5.6.190.0070.04020.46
5.6.180.0130.06020.54
5.6.170.0270.07720.45
5.6.160.0070.08020.46
5.6.150.0170.03718.25
5.6.140.0070.04318.16
5.6.130.0100.05718.14
5.6.120.0030.08721.00
5.6.110.0030.08721.02
5.6.100.0200.06320.96
5.6.90.0100.08021.00
5.6.80.0030.07020.53
5.6.70.0270.06720.48
5.5.350.0000.04320.41
5.5.340.0030.08317.94
5.5.330.0230.06720.41
5.5.320.0400.07020.38
5.5.310.0300.07720.27
5.5.300.0100.07718.09
5.5.290.0030.05718.09
5.5.280.0070.08020.89
5.5.270.0100.08320.77
5.5.260.0070.07020.87
5.5.250.0100.07320.79
5.5.240.0030.05720.16
5.4.450.0330.04019.42
5.4.440.0170.07319.55
5.4.430.0100.05019.26
5.4.420.0300.06319.49
5.4.410.0270.06319.17
5.4.400.0230.06318.88
5.4.390.0200.07319.13
5.4.380.0170.06019.22
5.4.370.0330.07019.22
5.4.360.0300.05718.88
5.4.350.0270.04718.96
5.4.340.0230.07319.09
5.4.320.0230.03318.95
5.4.310.0170.04019.11
5.4.300.0200.03319.14
5.4.290.0200.07018.98
5.4.280.0200.07319.22
5.4.270.0200.03719.15
5.4.260.0230.06018.87
5.4.250.0230.03319.23
5.4.240.0230.06719.22
5.4.230.0270.06718.98
5.4.220.0300.07019.25
5.4.210.0230.06318.94
5.4.200.0170.04719.14
5.4.190.0170.04019.23
5.4.180.0300.04319.07
5.4.170.0200.05019.23
5.4.160.0230.04019.23
5.4.150.0230.08019.13
5.4.140.0130.06716.57
5.4.130.0200.06316.57
5.4.120.0200.05716.52
5.4.110.0300.03716.61
5.4.100.0300.04316.42
5.4.90.0230.04016.63
5.4.80.0270.04016.31
5.4.70.0270.06016.49
5.4.60.0300.05316.54
5.4.50.0230.04016.32
5.4.40.0170.03716.54
5.4.30.0230.05016.43
5.4.20.0230.07016.24
5.4.10.0230.07316.53
5.4.00.0200.06015.94
5.3.290.0170.04014.64
5.3.280.0230.05314.75
5.3.270.0200.04714.82
5.3.260.0070.05014.66
5.3.250.0200.07314.76
5.3.240.0330.06314.68
5.3.230.0200.06714.60
5.3.220.0200.06314.48
5.3.210.0200.04714.65
5.3.200.0170.06714.61
5.3.190.0170.05014.56
5.3.180.0330.04314.49
5.3.170.0300.06314.48
5.3.160.0230.06314.48
5.3.150.0230.07014.45
5.3.140.0330.05714.53
5.3.130.0170.04714.47
5.3.120.0200.04714.59
5.3.110.0270.04714.63
5.3.100.0230.08013.96
5.3.90.0270.06014.03
5.3.80.0270.06713.94
5.3.70.0170.05314.07
5.3.60.0300.04714.16
5.3.50.0200.07713.96
5.3.40.0270.04313.88
5.3.30.0270.05313.99
5.3.20.0300.04313.78
5.3.10.0200.06313.64
5.3.00.0200.07013.64
5.2.170.0270.05312.03
5.2.160.0200.06012.03
5.2.150.0170.06012.03
5.2.140.0130.07012.03
5.2.130.0230.02712.03
5.2.120.0230.05312.03
5.2.110.0200.04712.03
5.2.100.0170.04712.03
5.2.90.0170.05712.03
5.2.80.0230.06012.03
5.2.70.0130.05312.03
5.2.60.0170.05712.03
5.2.50.0230.04012.03
5.2.40.0130.03712.03
5.2.30.0170.06012.03
5.2.20.0130.04312.03
5.2.10.0100.06312.03
5.2.00.0130.05712.03
5.1.60.0170.04712.03
5.1.50.0170.05312.03
5.1.40.0100.05312.03
5.1.30.0200.04712.03
5.1.20.0130.03012.03
5.1.10.0200.02312.03
5.1.00.0100.04712.03
5.0.50.0100.04312.03
5.0.40.0070.02712.03
5.0.30.0070.04012.03
5.0.20.0130.03712.03
5.0.10.0070.03712.03
5.0.00.0070.05012.03
4.4.90.0100.03312.03
4.4.80.0070.03712.03
4.4.70.0100.03312.03
4.4.60.0170.02712.03
4.4.50.0200.02012.03
4.4.40.0100.04712.03
4.4.30.0170.02312.03
4.4.20.0070.02312.03
4.4.10.0100.03312.03
4.4.00.0100.03712.03
4.3.110.0100.02012.03
4.3.100.0070.02312.03
4.3.90.0070.02012.03
4.3.80.0100.03312.03
4.3.70.0070.03312.03
4.3.60.0030.03312.03
4.3.50.0100.03012.03
4.3.40.0070.05712.03
4.3.30.0030.03312.03
4.3.20.0030.03712.03
4.3.10.0030.03712.03
4.3.00.0070.03012.03

preferences:
51.36 ms | 400 KiB | 5 Q