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Generate random 5 characters string

...tuvwxyz"), 0, $length); more details: http://forum.arnlweb.com/viewtopic.php?f=7&t=25 share | improve this answer | follow | ...
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How do I check if a string contains a specific word?

...", we can't use simpler constructs like !strpos($a, 'are'). Edit: Now with PHP 8 you can do this: if (str_contains('How are you', 'are')) { echo 'true'; } RFC str_contains share | improve this...
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Do I have to guard against SQL injection if I used a dropdown?

... { // Not Expected } Then use mysqli_* if you are using a version of php >= 5.3.0 which you should be, to save your result. If used correctly this will help with sql injection. share | impr...
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按键可见性的延时设置 - App Inventor 2 中文网 - 清泛IT社区,为创新赋能!

大家好,咨询请教一个问题, APP上面的 按键 当按下一个按键 设置2号按键可见性为假 (这个功能可以实现),但 在设定时间内,比如一个小时,或者更长时间后, 让原先的2号按键的可见性从原来的假 恢复成真 用“计时...
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Correct way to pass multiple values for same parameter name in GET request

... FWIW PHP doesn't support reading args like ?id=5&id=3. PHP would only read in one value for id here. If I remember correctly, it would have to look like this for it to work with PHP: ?id[]=5&id[]=3 – ...
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Apache Proxy: No protocol handler was valid

... For my Apache2.4 + php5-fpm installation to start working, I needed to activate the following Apache modules: sudo a2enmod proxy sudo a2enmod proxy_fcgi No need for proxy_http, and this is what sends all .php files straight to php5-fpm: &lt...
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What is SQL injection? [duplicate]

...ta or even changing data that they shouldn't be allowed to do. Example in PHP: $password = $_POST['password']; $id = $_POST['id']; $sql = "UPDATE Accounts SET PASSWORD = '$password' WHERE account_id = $id"; Now suppose the attacker sets the POST request parameters to "password=xyzzy" and "id=acc...
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Check if passed argument is file or directory in Bash

...sdas: cannot open `ldasdas' (No such file or directory)) $ ./f.bash evil.php FILE FOUND (evil.php: PHP script, ASCII text) FYI: the answers above work but you can use -s to help in weird situations by checking for a valid file first: #!/bin/bash check_file(){ local file="${1}" [[ -s ...
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Create a folder if it doesn't already exist

...st( $wrapper, $target ) = explode( '://', $target, 2 ); } // from php.net/mkdir user contributed notes $target = str_replace( '//', '/', $target ); // put the wrapper back on the target if( $wrapper !== null ) { $target = $wrapper . '://' . $target; } // safe m...
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What is the best collation to use for MySQL with PHP? [closed]

...gs should be the same, such as MySQL, Apache, the HTML and anything inside PHP. 11 Answers ...