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PHP · Theory

strtotime()

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Theory

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strtotime()

Priya only reaches for strtotime() (function) when a strtotime function dry-run has to stay correct in a first job task.

Keep strtotime() (function) small. Priya should finish a strtotime function dry-run in a few lines, not a 40-line dump.

Without strtotime() (function), a first job task gets messy and a strtotime function dry-run is hard to trust.

strtotime() (function) shows up in a first job task. Name a strtotime function dry-run, not “a real-world scenario”.

strtotime() (function) miss: copy-pasting strtotime function without a dry-run. Fix it before you talk about advanced PHP.

After strtotime() (function), Priya should still remember copy-pasting strtotime function without a dry-run.

Viva for strtotime() (function): what it is → one strtotime function step Priya can write from memory → the mistake (copy-pasting strtotime function without a dry-run).

Exam tip

Say strtotime() (function) in one breath, then one strtotime function step Priya can write from memory, then copy-pasting strtotime function without a dry-run.

Example

<?php
// strtotime()
$scores = [80, 90, 70];
$avg = array_sum($scores) / count($scores);
echo "avg=" . number_format($avg, 1) . "\n";
foreach ($scores as $s) {
  if ($s >= 80) echo "high: $s\n";
}

strtotime(): scores array, print avg, then high marks. Say the output.

Short notes

  • Defstrtotime() (function) — Priya uses it for a strtotime function dry-run in a first job task.
  • Rulestrtotime() (function) → one strtotime function step Priya can write from memory.
  • Rememberstrtotime() (function) + a .php page (a first job task).
  • Usestrtotime() (function) in a first job task (a strtotime function dry-run).
  • Trapstrtotime() (function) — copy-pasting strtotime function without a dry-run.
  • Exstrtotime() (function) → a strtotime function dry-run.

Questions

1

Priya asks: why does strtotime() (function) exist? Use a strtotime function dry-run.

2

If you skip strtotime() (function), what breaks in a first job task?

3

How do you catch copy-pasting strtotime function without a dry-run?

4

Dry-run one strtotime function step Priya can write from memory and say the result.

Previous← mktime()NextDateTime Class →
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