Php base64图像打印不正确

当我打印$src时，我得到以下结果：

echo$src

结果:

data:image/svg+xml;base64,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

但是如果我打印$src-inside标记图像，则无法正确渲染。字符串“data:”将自动从url断开

<img src="image/svg+xml;base64,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">

---

在

src

属性中缺少

数据：

，您需要它才能正确呈现

<img src="data:image/svg+xml;base64,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" />

---

我不知道这将如何被切断。

我已经用两种方法测试了这一点，它是有效的。如果它对你不起作用，那么其他的事情正在发生

如果您使用PHP回显图像，请尝试

$src = 'data:image/svg+xml;base64,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';

echo '<img src="'.$src.'">';

$src='数据：image/svg+xml；base64，4.在中国，4 4 4 BBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBB2U9IIMWMDAWMDaiiHjVbZdHjVa2 UtbgluzwpVa4 InjVdW5IIbKpSjnignzmGyA4WMIATMc4MiatmAstNc4SatNc3SatNc3SidGyAj3IdGyIdGyIc3Ic3IdGyIdGyIdGyIdGyIdGmIdGyIdGyIdGyIdGyIdGyIdGyIdGyIdGyIdGyGyGyGyGyGyGyGyGyGyGyGyGmIdIdGmIdGmIdGmIdGyGyGyGdGyGyGyGyGyGyGyGyGyGyGyGyGyGyGyGyGyGyGyGd2.中国的一些研究者们在他们的研究中发现了一个新的研究对象——一个新的研究对象——一个8+中国的GGGGGGGZZZZBD2一个新的研究对象——一个新的中国的一个研究对象——一个新的研究对象——一个新的研究对象——一个新的研究对象——一个新的研究对象——一个新的研究对象——一个新的研究对象是一个中国的一个准准准准准准准准准准准准准准准准准准准准准准准准准准准准准准准准准准准准准准准准准准准准准准准准准准准准准准准准准准准准准准准准准准准准准准准准准准准准准准准准准准准准准准准准准准准准准准准准准准准准准准准准准准准准准准准准准准准准准准准准准准准准准准准VDW5KIIBKPxWYXROIgZBgW9IM5VBMUIIHn0Cm9Rz0IIZAWMDAWMc3RyB2TlxDpZhropsiyibzDhjVa2UTBGLUZWnJd0Cm9RzHd0Cm9RzHd0Cd0Cm9Rz1Saw9Lm9Lm9Lm9Rz1Lam9PbJ0Cm9Ig9Lm9Ig9Ig0Ig0Ig0Ig0Ig0Ig0Ig0Ig0Ig0Ig4Ig4Ig4Ig4Ig4Ig4Ig4Ig4Ig4Ig4Ig4Ig4Ig4Ig4Ig4Ig4Ig4Ig4Ig4Ig4Ig4Ig4Ig4Ig4Ig4IgIDMGLTIGMMYBJIDAUMDKGMCAXLJG4IC0YLJG0IDMGLTMGYYA2LJYXIC0WLJK0Id3LJU4IC0YLJM2IDIc0XIGMNY43MSAXLJQYIDI0IdWII8+PC9zdmc+；
回声'；

---

如果要在页面正文中调用图像，则应执行以下操作：

<?php
    $src = 'data:image/svg+xml;base64,PD94bWwgdmVyc2lvbj0iMS4wIiBlbmNvZGluZz0iVVRGLTgiIHN0YW5kYWxvbmU9Im5vIj8+PCFET0NUWVBFIHN2ZyBQVUJMSUMgIi0vL1czQy8vRFREIFNWRyAxLjEvL0VOIiAiaHR0cDovL3d3dy53My5vcmcvR3JhcGhpY3MvU1ZHLzEuMS9EVEQvc3ZnMTEuZHRkIj48c3ZnIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgdmVyc2lvbj0iMS4xIiB3aWR0aD0iMTQyIiBoZWlnaHQ9IjkzIj48cGF0aCBmaWxsPSJub25lIiBzdHJva2U9IiMwMDAwMDAiIHN0cm9rZS13aWR0aD0iMiIgc3Ryb2tlLWxpbmVjYXA9InJvdW5kIiBzdHJva2UtbGluZWpvaW49InJvdW5kIiBkPSJNIDIgNzMgYyAtMC4wMiAtMC4xMiAtMSAtNC43NSAtMSAtNyBjIDAgLTIuMjUgMC40MyAtNC43IDEgLTcgYyAxLjc3IC03LjA5IDQuMzggLTEzLjc4IDYgLTIxIGMgMi4xMSAtOS40IDIuODMgLTE5LjA3IDUgLTI4IGMgMC43NSAtMy4wOSAyLjkxIC03LjkxIDQgLTkgYyAwLjQgLTAuNCAyLjYyIDEuMDkgMyAyIGMgMi40NCA1Ljg2IDMuODYgMTUuMjUgNyAyMiBjIDMuMzYgNy4yMiA4Ljc0IDE0Ljg3IDEzIDIxIGwgMyAyIi8+PHBhdGggZmlsbD0ibm9uZSIgc3Ryb2tlPSIjMDAwMDAwIiBzdHJva2Utd2lkdGg9IjIiIHN0cm9rZS1saW5lY2FwPSJyb3VuZCIgc3Ryb2tlLWxpbmVqb2luPSJyb3VuZCIgZD0iTSAxNiA0MCBsIDggLTQiLz48cGF0aCBmaWxsPSJub25lIiBzdHJva2U9IiMwMDAwMDAiIHN0cm9rZS13aWR0aD0iMiIgc3Ryb2tlLWxpbmVjYXA9InJvdW5kIiBzdHJva2UtbGluZWpvaW49InJvdW5kIiBkPSJNIDY3IDIgYyAwLjIxIDAuNjMgOC4zOSAyMy41MiAxMiAzNiBjIDUuMyAxOC4zNSAxNCA1NCAxNCA1NCIvPjxwYXRoIGZpbGw9Im5vbmUiIHN0cm9rZT0iIzAwMDAwMCIgc3Ryb2tlLXdpZHRoPSIyIiBzdHJva2UtbGluZWNhcD0icm91bmQiIHN0cm9rZS1saW5lam9pbj0icm91bmQiIGQ9Ik0gMTAyIDIxIGMgLTAuMDkgMC40MiAtMy4wNCAxNS44MiAtNSAyNCBjIC0xLjgyIDcuNjEgLTMuODIgMTUuMTggLTYgMjIgYyAtMC4zNSAxLjA4IC0yLjA4IDMgLTIgMyBjIDAuMDkgMCAxLjg4IC0yLjg0IDMgLTMgYyA2LjYxIC0wLjk0IDE3LjU4IC0yLjM2IDI1IC0xIGMgNy43MSAxLjQyIDI0IDEwIDI0IDEwIi8+PC9zdmc+';
?>

<img src="<?php echo $src; ?>">

">

您有任何代码吗？除了您确定自己在代码中回显了正确的变量（并且内容是您认为的内容）之外，无法回答其他问题。但是为什么它会自动丢失？如果我单独打印变量，它会随附“数据：”。当我将其作为src值“data:”追加到内部时，它会丢失。。