3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = array('<foo>',"'bar'",'"baz"','&blong&', "\xc3\xa9"); echo "Normal: ", json_encode($a), "\n"; echo "Tags: ", json_encode($a, JSON_HEX_TAG), "\n"; echo "Apos: ", json_encode($a, JSON_HEX_APOS), "\n"; echo "Quot: ", json_encode($a, JSON_HEX_QUOT), "\n"; echo "Amp: ", json_encode($a, JSON_HEX_AMP), "\n"; echo "Unicode: ", json_encode($a, JSON_UNESCAPED_UNICODE), "\n"; echo "All: ", json_encode($a, JSON_HEX_TAG | JSON_HEX_APOS | JSON_HEX_QUOT | JSON_HEX_AMP | JSON_UNESCAPED_UNICODE), "\n\n";

Here you find the average performance (time & memory) of each version. A grayed out version indicates it didn't complete successfully (based on exit-code).

VersionSystem time (s)User time (s)Memory (MiB)
8.3.60.0090.00618.31
8.3.50.0100.00520.96
8.3.40.0060.00918.70
8.3.30.0000.01518.35
8.3.20.0040.00418.68
8.3.10.0080.00020.44
8.3.00.0080.00019.25
8.2.180.0090.00916.75
8.2.170.0040.01122.96
8.2.160.0070.00722.01
8.2.150.0080.00024.18
8.2.140.0040.00424.66
8.2.130.0050.00226.16
8.2.120.0040.00419.95
8.2.110.0000.00821.05
8.2.100.0040.00817.84
8.2.90.0000.00819.28
8.2.80.0000.00817.97
8.2.70.0050.00317.47
8.2.60.0000.00817.93
8.2.50.0000.00818.07
8.2.40.0070.00017.91
8.2.30.0040.00418.03
8.2.20.0070.00017.75
8.2.10.0000.00717.61
8.2.00.0000.00817.48
8.1.280.0070.01125.92
8.1.270.0040.00423.99
8.1.260.0070.01026.35
8.1.250.0000.00828.09
8.1.240.0040.00420.89
8.1.230.0000.01220.87
8.1.220.0040.00418.77
8.1.210.0040.00418.84
8.1.200.0060.00317.22
8.1.190.0050.00217.28
8.1.180.0040.00418.10
8.1.170.0050.00318.84
8.1.160.0000.00718.83
8.1.150.0030.00518.55
8.1.140.0000.00717.25
8.1.130.0030.00317.77
8.1.120.0000.00817.29
8.1.110.0000.00917.34
8.1.100.0050.00217.43
8.1.90.0000.00817.35
8.1.80.0000.00717.38
8.1.70.0050.00217.30
8.1.60.0000.00917.47
8.1.50.0070.00317.38
8.1.40.0000.00817.41
8.1.30.0040.00417.63
8.1.20.0000.00817.57
8.1.10.0040.00417.47
8.1.00.0060.00317.32
8.0.300.0000.00719.89
8.0.290.0040.00416.71
8.0.280.0030.00318.41
8.0.270.0070.00017.16
8.0.260.0030.00316.82
8.0.250.0000.00716.82
8.0.240.0080.00016.96
8.0.230.0090.00016.73
8.0.220.0000.00716.80
8.0.210.0040.00416.81
8.0.200.0050.00216.89
8.0.190.0000.00716.77
8.0.180.0050.00316.90
8.0.170.0060.00316.79
8.0.160.0030.00316.86
8.0.150.0030.00516.83
8.0.140.0120.00416.76
8.0.130.0000.00513.23
8.0.120.0050.00316.68
8.0.110.0020.00516.77
8.0.100.0020.00516.66
8.0.90.0030.00316.65
8.0.80.0050.00716.67
8.0.70.0020.00516.73
8.0.60.0030.00516.74
8.0.50.0020.00516.83
8.0.30.0110.00616.90
8.0.20.0100.00617.10
8.0.10.0070.00616.99
8.0.00.0060.01016.83
7.4.330.0050.00013.43
7.4.320.0000.00716.42
7.4.300.0030.00316.48
7.4.290.0000.00716.41
7.4.280.0000.00816.47
7.4.270.0000.00716.61
7.4.260.0060.00313.09
7.4.250.0070.00016.48
7.4.240.0000.00716.60
7.4.230.0010.00616.44
7.4.220.0080.00816.44
7.4.210.0080.00616.47
7.4.200.0040.00416.42
7.4.190.0050.00216.54
7.4.180.0020.00516.40
7.4.160.0050.00816.40
7.4.150.0110.00216.68
7.4.140.0070.00816.73
7.4.130.0070.00916.48
7.4.120.0070.00716.39
7.4.110.0060.00716.29
7.4.100.0090.00516.37
7.4.90.0070.00816.51
7.4.80.0060.00717.17
7.4.70.0070.00616.33
7.4.60.0040.00816.32
7.4.50.0030.00816.35
7.4.40.0050.00618.25
7.4.30.0090.00616.37
7.4.20.0070.00516.37
7.4.10.0060.00816.35
7.4.00.0050.01015.63
7.3.330.0000.00512.88
7.3.320.0020.00512.85
7.3.310.0030.00316.06
7.3.300.0060.00116.06
7.3.290.0050.00816.14
7.3.280.0040.01116.10
7.3.270.0070.01016.56
7.3.260.0130.00817.16
7.3.250.0120.00316.13
7.3.240.0070.00516.17
7.3.230.0050.00816.21
7.3.220.0070.00416.03
7.3.210.0060.00916.15
7.3.200.0090.00517.15
7.3.190.0080.00716.11
7.3.180.0070.00716.13
7.3.170.0050.01116.11
7.3.160.0030.00916.21
7.3.150.0060.00616.04
7.3.140.0040.00716.01
7.3.130.0040.01116.02
7.3.120.0060.00815.45
7.3.110.0070.00815.43
7.3.100.0090.00515.56
7.3.90.0060.00915.61
7.3.80.0040.01115.55
7.3.70.0070.00715.56
7.3.60.0080.00715.63
7.3.50.0060.00815.52
7.3.40.0090.00515.63
7.3.30.0100.00515.56
7.3.20.0090.00516.73
7.3.10.0200.00816.32
7.3.00.0200.00816.37
7.2.340.0030.01016.23
7.2.330.0100.00516.28
7.2.320.0050.01116.24
7.2.310.0120.00316.26
7.2.300.0090.00516.26
7.2.290.0080.00416.32
7.2.280.0040.00716.24
7.2.270.0040.00716.17
7.2.260.0060.01016.21
7.2.250.0080.01015.73
7.2.240.0100.00615.78
7.2.230.0100.00515.86
7.2.220.0090.00715.68
7.2.210.0070.00815.74
7.2.200.0050.01015.78
7.2.190.0110.00215.78
7.2.180.0090.00715.62
7.2.170.0070.00815.80
7.2.160.0080.00716.45
7.2.150.0080.00716.97
7.2.140.0070.01117.06
7.2.130.0240.00816.57
7.2.120.0470.00716.59
7.2.110.0330.00816.64
7.2.100.0370.00716.63
7.2.90.0310.00616.50
7.2.80.0330.00816.56
7.2.70.0200.00916.54
7.2.60.0250.00816.41
7.2.50.0230.01016.51
7.2.40.0250.00916.64
7.2.30.0360.00816.56
7.2.20.0280.00516.67
7.2.10.0170.01116.56
7.2.00.0310.00717.14
7.1.330.0060.00915.89
7.1.320.0080.00815.87
7.1.310.0070.00815.96
7.1.300.0110.00515.92
7.1.290.0080.00615.90
7.1.280.0080.00815.82
7.1.270.0060.00815.91
7.1.260.0090.00715.90
7.1.250.0310.00515.37
7.1.240.0270.00715.33
7.1.230.0220.00815.50
7.1.220.0300.00415.41
7.1.210.0310.00915.37
7.1.200.0250.00915.38
7.1.190.0300.00715.50
7.1.180.0250.01115.31
7.1.170.0310.00715.48
7.1.160.0410.00715.38
7.1.150.0330.00815.34
7.1.140.0200.00615.35
7.1.130.0220.00815.35
7.1.120.0340.00715.33
7.1.110.0240.00615.39
7.1.100.0270.00315.92
7.1.90.0210.01015.51
7.1.80.0290.00615.39
7.1.70.0270.00815.65
7.1.60.0410.00916.35
7.1.50.0220.00715.63
7.1.40.0250.00315.50
7.1.30.0250.01215.50
7.1.20.0270.00915.47
7.1.10.0210.00915.44
7.1.00.0270.01816.73
7.0.330.0360.00314.95
7.0.320.0220.00815.06
7.0.310.0260.00714.98
7.0.300.0270.00915.15
7.0.290.0250.00615.11
7.0.280.0210.00915.08
7.0.270.0230.00814.91
7.0.260.0150.01015.05
7.0.250.0080.01015.24
7.0.240.0090.00915.15
7.0.230.0230.00815.27
7.0.220.0290.00615.26
7.0.210.0260.00715.13
7.0.200.0240.00715.42
7.0.190.0220.00915.10
7.0.180.0220.00715.18
7.0.170.0200.00715.27
7.0.160.0240.00315.17
7.0.150.0220.00615.17
7.0.140.0280.02016.54
7.0.130.0320.00615.08
7.0.120.0290.00315.09
7.0.110.0230.00815.02
7.0.100.0220.00615.19
7.0.90.0230.01516.03
7.0.80.0170.01515.97
7.0.70.0360.02016.03
7.0.60.0180.02216.01
7.0.50.0300.02316.10
7.0.40.0210.02116.05
7.0.30.0160.01816.19
7.0.20.0260.02216.09
7.0.10.0190.01916.12
7.0.00.0460.01716.16
5.6.400.0100.01015.81
5.6.390.0110.00815.80
5.6.380.0100.00915.27
5.6.370.0140.00615.44
5.6.360.0110.00815.33
5.6.350.0110.00915.21
5.6.340.0060.01115.33
5.6.330.0110.01115.42
5.6.320.0090.00715.41
5.6.310.0120.00615.39
5.6.300.0090.01415.40
5.6.290.0120.00715.38
5.6.280.0090.01916.56
5.6.270.0080.01115.34
5.6.260.0110.00815.38
5.6.250.0090.00915.28
5.6.240.0060.02416.46
5.6.230.0070.02216.38
5.6.220.0090.01516.29
5.6.210.0120.02016.49
5.6.200.0120.02016.48
5.6.190.0050.02116.54
5.6.180.0100.02116.51
5.6.170.0080.01616.44
5.6.160.0080.01916.45
5.6.150.0100.01916.41
5.6.140.0100.02316.49
5.6.130.0070.02416.59
5.6.120.0110.02116.53
5.6.110.0100.02216.37
5.6.100.0020.02816.49
5.6.90.0060.02616.44
5.6.80.0100.01916.24
5.6.70.0060.02316.34
5.6.60.0040.01916.38
5.6.50.0070.02216.34
5.6.40.0110.01916.39
5.6.30.0080.01916.34
5.6.20.0110.01916.30
5.6.10.0100.02216.37
5.6.00.0170.01816.39
5.5.380.0120.02115.85
5.5.370.0070.01915.86
5.5.360.0120.02015.72
5.5.350.0100.01915.64
5.5.340.0090.02415.80
5.5.330.0080.02415.79
5.5.320.0110.01415.78
5.5.310.0130.02115.82
5.5.300.0100.02515.83
5.5.290.0090.02415.67
5.5.280.0080.01715.83
5.5.270.0060.02215.74
5.5.260.0100.02415.72
5.5.250.0090.02615.80
5.5.240.0080.02115.71
5.5.230.0100.02315.65
5.5.220.0100.01215.67
5.5.210.0090.01715.70
5.5.200.0060.02515.61
5.5.190.0100.02215.60
5.5.180.0080.01915.55
5.5.170.0100.00814.44
5.5.160.0060.02515.65
5.5.150.0070.02415.58
5.5.140.0110.02015.50
5.5.130.0080.01515.67
5.5.120.0080.02415.58
5.5.110.0050.02215.54
5.5.100.0110.01815.57
5.5.90.0110.01815.70
5.5.80.0120.01915.62
5.5.70.0070.02515.65
5.5.60.0080.01415.59
5.5.50.0090.01515.64
5.5.40.0100.01015.63
5.5.30.0080.01615.71
5.5.20.0110.01115.54
5.5.10.0090.01315.67
5.5.00.0110.01215.58
5.4.450.0100.01413.52
5.4.440.0090.02113.60
5.4.430.0080.02013.59
5.4.420.0090.01913.60
5.4.410.0050.02313.47
5.4.400.0070.02113.47
5.4.390.0070.02013.55
5.4.380.0100.01913.48
5.4.370.0090.01913.52
5.4.360.0060.02113.46
5.4.350.0110.01313.55
5.4.340.0070.01413.52
5.4.330.0090.00512.14
5.4.320.0130.01213.54
5.4.310.0060.02113.56
5.4.300.0040.02313.49
5.4.290.0090.02013.45
5.4.280.0090.01413.47
5.4.270.0070.02013.50
5.4.260.0100.01013.43
5.4.250.0050.01813.39
5.4.240.0110.01513.56
5.4.230.0090.01813.42
5.4.220.0090.01413.46
5.4.210.0070.01213.35
5.4.200.0070.01313.35
5.4.190.0110.01013.48
5.4.180.0060.01513.42
5.4.170.0090.01313.45
5.4.160.0070.01613.47
5.4.150.0060.01413.32
5.4.140.0070.01012.92
5.4.130.0070.01012.93
5.4.120.0070.01112.92
5.4.110.0040.01313.00
5.4.100.0080.01112.92
5.4.90.0090.01512.86
5.4.80.0040.01512.99
5.4.70.0080.00812.93
5.4.60.0070.01012.92
5.4.50.0080.01312.81
5.4.40.0100.01312.89
5.4.30.0090.01013.00
5.4.20.0060.01412.93
5.4.10.0070.01112.89
5.4.00.0050.01212.72
5.3.290.0090.01812.82
5.3.280.0090.01812.74
5.3.270.0070.01212.73
5.3.260.0090.01312.66
5.3.250.0050.01312.83
5.3.240.0050.01312.66
5.3.230.0100.01712.66
5.3.220.0130.01112.68
5.3.210.0100.01012.63
5.3.200.0100.01012.68
5.3.190.0080.01312.70
5.3.180.0080.01212.79
5.3.170.0080.01212.78
5.3.160.0060.01412.75
5.3.150.0070.01312.86
5.3.140.0090.01312.71
5.3.130.0070.01312.84
5.3.120.0080.01312.74
5.3.110.0070.01112.74
5.3.100.0070.01112.65
5.3.90.0080.01412.75
5.3.80.0030.01512.49
5.3.70.0060.01212.64
5.3.60.0050.01312.62
5.3.50.0040.01412.48
5.3.40.0050.01212.54
5.3.30.0060.01012.53
5.3.20.0050.01612.38
5.3.10.0060.01212.38
5.3.00.0080.01112.28

preferences:
41.32 ms | 401 KiB | 5 Q