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ctype_space()

« ctype_punct | ctype_upper »
<?php
$bool 
ctype_space (
    
  // string $text
);
?>
结果
$bool = false
示例
#1 ctype_space  ("\n\r\t")
#2 ctype_space  ("\narf12")
#3 ctype_space  ('\n\r\t')
另请参阅
ctype_cntrl, ctype_graph, ctype_punct