Common tips for error handling in PHP

This article mainly introduces PHP for error handling of the common skills, interested in the reference of friends, I hope to be helpful to everyone.

This article describes how PHP obtains error information, as follows:

function Error_reg () {$ar =array (  e_error = ' error ',  e_warning = ' WARNING ',  e_parse = ' prase ',  e_notice = ' NOTICE '); Register_shutdown_function (function () use ($ar) {  $ers =error_get_last ();  if ($ers [' type ']!=8 && $ers [' type ']) {   $er = $ar [$ers [' type ']]. $ers [' type ']. ': '. ' '. $ers [' message ']. ' = '. $ers [' file ']. ' Line: ' $ers [' line ']. ' '. Date (' y-m-d h:i:s '). " \ n ";   Error_log ($er, 3, '/tmp/php_error.log ');  } }); Set_error_handler (function ($a, $b, $c, $d) use ($ar) {  if ($a!=8 && $a) {   $er = $ar [$a]. $a. ': ' $b. ' = ' . $c. ' line: '. $d. '. Date (' y-m-d h:i:s '). " \ n ";   Error_log ($er, 3, '/tmp/php_error.log ');  } },e_all ^ e_notice);}

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