标题的表达方式可能更优雅，但这是我能想到的最好的方式，因为坦率地说，我不知道答案，甚至不得不问，但我感到很傻，但这就是你的学习方式，所以不要羞耻必要的。
我已经存储了dataURIs，例如：
data:image/png;base64,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
通过简单地在变量中执行操作：$some_var = "INSERT_ABOVE";并通常可以正常工作，但是我发现我正在处理的一段代码中，只要使用上面显示的variable => datauri方案之一，代码就会中断，但删除该行，修复代码。
所以我不确定吗？这个特定的datauri破坏了代码，不应将其中的任何内容"" QUOTATIONS视为文字字符串吗？有没有最佳实践，还是我应该说推荐将datauris存储为代码中要使用的变量的推荐方法，因此它不会中断？
任何想法和/或建议将不胜感激，TIA。
PS。这不仅是由于末尾的反斜杠引起的，还是字符串本身没有受到尊重，现在它正像这样存储在变量中，谢谢。由于标题最准确地描述了正在实现的目标，因此我认为它更合适。
使用Heredoc字符串引用。这是用PHP表示字符串的另一种方法。它可以消除您的结束引号被字符串数据转义的问题。
$str = <<<EOD
data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAADAAAAAwCAYAAABXAvmHAAAE5klEQVR4nO1ZS0hjVxg+9xEJVFAnCzcuurVC3XfTWpqMMTGJbrSFQumAxhERFdE4YK4Bo5kY8zAvo0434nKghW46pXRhH5sKBXHXdikyDjGK0ETj7f/f5KY3N68bySSh9YPP/5x7Xv9/znfOubkS8oAH/L9B1XtAnufVYNTZbBqYpCgqVaKuCgySxiwwBXVvpHXYt+hrKajn5+fjNzc3hGEYolarT1ZXV0NLS0t74FwSK4DjLQ6H48nCwsJkKpXqSafTQl2v19sKxQ0PIAcM4vr6+r2rq6uQzWZ7ur+//8nd3R1ZXFz8Hp73YDnLsoSmaQwKm/DyPuj6u03+drvd7Z2dnf1dXV2fazSaX2DmSSKR6Dk+Pn55cnLy8vLysgeftbW1/Qz1Puvo6ND5fL53iGz2EXXfA3Kgzp1O59jZ2VkQZxmJzkNgT+12+w6kb8u1b3gACAwCJPRjPB7/APM48y6X68NKziMaIaEC4MnS2toaQr0jIR1U4jyioZtYCtiw57hZEbe3t+dK2zXFCiC6u7uP0eIeWFlZ+Ulpu6ZZgZGRkcTh4WHV7ZpmBUiRM14JGGnm4OCAHx4e5pBDaIeGuCGgBa3FwlmAZrRmM2c2WzgTWpOJM5nM3CDawUHBGsEajUbBGsAaDECjgRswAAfQDnD6AaAerZ7r1+u5346Onp2/fi348ceffz3T6rSc7nE/8DGn1ek4nS5jtVod9+rVdyuiz3kSQv2Njo4qnyYxQ4lpXpop3qbog8zDmZkZwQerdbzk+F6vLy9fEAACr/O8cSQD8lKvs/VzSfxDSQLgC5pncnx5vcAplOtaCpWKlYyfQd4euJcICSk62D16yU1guftVPhZbrFSs07//phae5fDtpx3KKpabEVlZUQmJuKvJzFaPcsPKJZQfgCyRfhsBlNK/uF8q6FGRhETUfgVq0GGzSogvMn6pelIUSCjD7HFarwCqOMbkQdZXQhXOf2V9lJWQmMqcw/VaAekwFTexLC+TEC+KUcjXOoDip091g1QlodrcsMqhZBMrkpBY5dcnj/IqU8J1T7LvO7lWxUx+eUnty6+lyqgsIQkoaQk6gY5nH2a+HuT3WvWC3WOF5atEy0qFXlmGFsjkmPmxzTJMljRRscy/eUgzbMYWMNtWVUAog7dLlYQiVLLn+eUV3kb3Xrwgu3t7And2d0lsBxkj27FtEt1GRkkkGiXhCDJCQuEwCYbCJBQKkWAwRLa2gsAtEghsEX8gQHwBP/H5/cTr9xGvz0c2vV7i8W6SjU2wHrAeD3FveIS0OMPP3Rtk3fWcrK27yNraOnECV51rQGfBvmyK70IIcJydmJgQvrxFIhGWoqi0knbN9Jv4XmiaAGZnZ98X09PT071K2zVNACCh9qxF0660XdPsgcnJyQD8Fp7CNMMwgXA4PN1onxRjeXlZY7Va42NjYzwS03Nzc4p+fzZ8BWw226NEIvFDOp3upbI3I34VoWn695aWlr5AIBAv177uewA0TjscDs3U1FQf8MuLi4sjdF5whqZnkRgIBNGbTCaPYDW+GB8f/6hUf434Nkqdnp6ei//MEP+hAbp3wGUofLWC+6ANjB3K3gV+hc9AWiQWixUopqGnEDoOrxnfAD+GTWuHPI+MRqMc2D7g1xX7qIejUqCEJOMKL1/odL39eMAD/iv4B7EvTT8yUT9VAAAAAElFTkSuQmCC\
EOD;
echo $str;
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我来说两句