PHP Archives - Page 51 of 59

Preferred method to store PHP arrays (json_encode vs serialize)

I need to store a multi-dimensional associative array of data in a flat file for caching purposes. I might occasionally come across the ...

April 29, 2022
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How can I capture the result of var_dump to a string?

I’d like to capture the output of var_dump to a string. The PHP documentation says; As with anything that outputs its result directly ...

April 29, 2022
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How to check if a string starts with a specified string? [duplicate]

This question already has answers here: startsWith() and endsWith() functions in PHP (32 answers) Closed 7 years ago. I’m trying to check if ...

April 29, 2022
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Cannot use object of type stdClass as array?

I get a strange error using json_decode(). It decode correctly the data (I saw it using print_r), but when I try to access ...

April 28, 2022
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Show a number to two decimal places

What’s the correct way to round a PHP string to two decimal places? $number = "520"; // It's a string from a database ...

April 27, 2022
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Formatting a number with leading zeros in PHP [duplicate]

This question already has answers here: Zero-pad digits in string (5 answers) Closed 1 year ago. I have a variable which contains the ...

April 27, 2022
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Are PDO prepared statements sufficient to prevent SQL injection?

Let’s say I have code like this: $dbh = new PDO("blahblah"); $stmt = $dbh->prepare('SELECT * FROM users where username = :username'); $stmt->execute( array(':username' ...

April 27, 2022
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Fatal Error: Allowed Memory Size of 134217728 Bytes Exhausted (CodeIgniter + XML-RPC)

I have a bunch of client point of sale (POS) systems that periodically send new sales data to one centralized database, which stores ...

April 27, 2022
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Pretty-Printing JSON with PHP

I’m building a PHP script that feeds JSON data to another script. My script builds data into a large associative array, and then ...

April 27, 2022
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How do I strip all spaces out of a string in PHP? [duplicate]

This question already has answers here: How can strip whitespaces in PHP’s variable? (15 answers) Closed 2 years ago. How can I strip ...

April 26, 2022
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