Signature | Laravel 5 Collections: Getting the First Collection Element With first
1 public function first ( 2 callable $ callback = null , 3 $ default = null 4 ) ;
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1 public function first ( 2 callable $ callback = null , 3 $ default = null 4 ) ;
The following example shows how to get the first item in a collection: 1 use Illuminate \ Support \ Collection ; 2 3 // Create a new collection instance. 4 $ collection = new Collection ( [ 5 ' first ' , ' second ' , ' third ' 6 ] ) ; 7 8 // first...
The first method can also be used with higher order messaging, which allows us to invoke collection methods and access object instance properties using PHP's property accessors syntax. In the reject section, we created a Product class that was...
1 public function partition ( 2 $ callback 3 ) ;
The following is a trivial example of the partition where we create two partitions, one containing the vowels of a sentence and the other containing the consonants of the sentence. We will then take the results of the partition method and pass...
The partition method can also be used with higher order messaging, which allows us to invoke collection methods and access object instance properties using PHP's property accessors syntax. In the reject section, we created a Product class that was...
Sending output to a file is the base of task output management. The main method to accomplish this is the sendOutputTo($location, $append = false) method. It accepts the file $location as the argument and can be configured to either overwrite the...
By default, the output of any Symfony-based command that uses the output helpers might contain ANSI color sequences. These can be disabled when sending the output to files or emails by calling the commands with the --no-ansi option. In the...
The output of tasks can also be emailed after the task has completed. Emailing output can be accomplished by either using the emailOutputTo and emailWrittenOutputTo methods. Each of these methods require that the output to have been previously...
…t identical to implementing CRYPT_SHA256 , and because the Sha256Hasher class gets the value for the hashing function from the protected $shaPrefix variable, we can simple extend the Sha256Hasher class and make a simple change: 1 <?php 2 3...