When Time Began: The PHP Date Function - OSTraining
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Embed literal text in PHP date format strings | The Electric Toolbox Blog
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PHP Date() & Time Function: How to Get Current Timestamp?
How To Convert DateTime To String Using PHP ?
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PHP Date Time Functions | 48 DifferentTypes of PHP Date Time Functions
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PHP date from string
GitHub - etiennetremel/PHP-Find-Date-in-String: Function to find a date in a string using Regular Expression
GitHub - marcpope/PHP-Remove-Date-From-String: This function will remove dates in various formats from a string.