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This article mainly introduces the method of automatic line wrapping of text and pictures in imagettfbbox and imagettftext in PHP. It has a certain reference value. Now I share it with you. Friends in need can refer to it.
mb_internal_encoding("UTF-8"); // 设置编码 // 这几个变量分别是 字体大小, 角度, 字体名称, 字符串, 预设宽度 $content = ""; // 将字符串拆分成一个个单字 保存到数组 letter 中 for ($i=0;$i<mb_strlen($text3);$i++) { $letter[] = mb_substr($text3, $i, 1); } foreach ($letter as $l) { $teststr = $content." ".$l; $fontBox = imagettfbbox($fontSize, 0, $font, $teststr); // $testbox = imagettfbbox($fontsize, $angle, $fontface, $teststr); // 判断拼接后的字符串是否超过预设的宽度 if (($fontBox[2] > $width) && ($content !== "")) { $content .= "\n"; } $content .= $l; } // $fontBox = imagettfbbox($fontSize, 0, $font, $text3); imagettftext ( $target, $fontSize, 0, ceil(($width - $fontBox[2]) / 2), 400, $fontColor_black, $font, $content );
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