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Session tracking for PHP
Classify: Learning materials / php e-book | Release time: 2018-02-22 | visits: 2838207 |
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- 1 Capture mouse events on divs containing iframe child elements: Cross-domain security and technical limitations
- 2 Flat construction and application of complex HTML table headers
- 3 CSS hover prompt box: Solve the problem of quick disappearance
- 4 Trap analysis of var name and DOM operations in JavaScript
- 5 Cross-domain iframe and parent element event capture: Understanding the restriction and response strategies of mousedown events
- 6 Select2 container style customization: add custom CSS class
- 7 Capture mousedown events with parent element containing cross-domain iframes: Principles and limitations
- 8 Solve FAQs and best practices for failing to call external JavaScript functions in HTML
- 9 In-depth understanding and practice: Use JavaScript to select drop-down options with JSON string values
- 10 JavaScript external function call difficulty analysis: script location and naming specification
- 11 CSS picture vertical centering problem: Flexbox solution
- 12 Solve the problem of overwriting Sticky elements in CSS transform animation
- 13 How to prevent fixed positioning div occlusion content: Flexbox layout practice
- 14 CSS Hover Tooltip Delay Hide Optimization Guide
- 15 Frequently Asked Questions and Best Practices for Failed External JavaScript Function Calls
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1. Reasons for session control
When switching between multiple pages, the user's logged-in status is maintained, and all the information accessed is the user's logged-in information.
Mechanism that can handle the sharing of data by the same user on multiple pages in the same website.
2. Application of cookies
Saving data to the client is relatively unsafe (personal preference information is less important information)
Transmitting data. If there is too much data, the speed drops.
1. Set cookies in the client
The setcookie() function sends an HTTP cookie to the client. If successful, the function returns true. Otherwise return false

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