What are some alternative methods to using PHP sleep() function for managing loading times and displaying loading text to users during PDF generation processes?

When generating PDFs in PHP, using the sleep() function to simulate loading times can be inefficient and may cause delays in the application. Instead, we can use AJAX requests to asynchronously handle the PDF generation process and display loading text to users in a more responsive manner. 

// PHP code snippet using AJAX to handle PDF generation process

// Frontend code to display loading text to users
echo "<div id='loading-text'>Generating PDF...</div>";

// AJAX request to handle PDF generation process
$.ajax({
  url: 'generate_pdf.php',
  method: 'POST',
  success: function(response) {
    // Handle response from server
    // Update UI or display generated PDF to users
  },
  error: function(xhr, status, error) {
    // Handle error response
  }
});

Keywords

PHP PDF generation loading times alternative methods display loading text

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