How can one troubleshoot font-related issues when generating PDF documents using FPDF in PHP?

When generating PDF documents using FPDF in PHP, font-related issues may arise if the font files are not properly loaded or supported by the library. To troubleshoot this, ensure that the font files are correctly referenced in the FPDF constructor and that the font files are in the correct format (TTF or OTF). Additionally, check if the font files are accessible and have the necessary permissions. 

// Example code snippet to troubleshoot font-related issues in FPDF

require('fpdf.php');

$pdf = new FPDF();
$pdf->AddPage();

// Check if the font file exists and is accessible
$font_path = 'path/to/font.ttf';
if(file_exists($font_path)) {
    $pdf->AddFont('CustomFont', '', $font_path);
    $pdf->SetFont('CustomFont', '', 12);
    $pdf->Cell(0, 10, 'Hello World', 0, 1, 'C');
} else {
    echo 'Font file not found or inaccessible';
}

$pdf->Output();

Keywords

FPDF PHP PDF generation font troubleshooting debugging

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