PHP Convert Camel Case String to underscore
Use PHP to convert the camel case string into an underscore-separated or other character separated.E...
PHP 7.4+ Error: Typed property must not be accessed before initialization
IssueIn PHP 7.4.6, I use the newly introduced property type hints, like this:<?phpclass Test{ pri...
PHP: Insert an element with the specified key at the beginning of the array
IssueWith array_unshift(), we can prepend one or more elements to the beginning of an array. All num...
Reads the content of a text file line by line in PHP
Here are several ways to read a text file line by line in PHP. Suppose there is a text file which co...
Invoke call_user_func_array error: expected to be a reference, value given
IssueUse the call_user_func_array method to call a callback, and pass parameters by reference. The c...
Get file name without file extension in PHP
This article introduces two ways to get file name without file extension in PHP.1. Using regular exp...
Get text between <tag> and </tag> with PREG in PHP
When we make a simple web crawler in PHP, we often need to extract HTML tags. We can use some third ...
PHP 7.4 configure: error: The pkg-config script could not be found or is too old
IssueIn Linux and Mac Os, I compile the source code of PHP 7.4.9. Run the following commands.$ ./con...
PHP 5 Configure error in Mac: Undefined symbols for architecture x86_64: "_libiconv", referenced
IssueIn Mac OS, I compile the source code of PHP 5, include 5.4.45/5.5.38/5.6.40. Run the following ...
Handle large file downloads in PHP
In order to handle file download, we need to response several HTTP headers and write a file to the o...
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