3v4l.org

run code in 300+ PHP versions simultaneously
<?php class W { const X = [1 => 2, 3 => 4]; public function f() { $a = 5; if (isset(static::X[$a])) { print "$a exists\n"; } else { print "$a doesn't exists\n"; } } } $x = new W; $x->f();

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)
8.3.40.0120.00918.73
8.3.30.0070.00718.73
8.3.20.0070.00020.24
8.3.10.0050.00321.73
8.3.00.0000.00819.66
8.2.170.0120.00322.96
8.2.160.0070.00720.47
8.2.150.0030.00524.18
8.2.140.0080.00024.66
8.2.130.0060.00326.16
8.2.120.0040.00421.05
8.2.110.0070.00320.75
8.2.100.0090.00318.03
8.2.90.0050.00517.84
8.2.80.0110.00317.97
8.2.70.0060.00317.74
8.2.60.0000.00818.16
8.2.50.0040.00718.07
8.2.40.0040.00420.90
8.2.30.0080.00019.79
8.2.20.0080.00017.61
8.2.10.0050.00317.98
8.2.00.0000.00717.98
8.1.270.0150.00420.31
8.1.260.0050.00326.35
8.1.250.0080.00028.09
8.1.240.0060.00323.96
8.1.230.0070.00422.66
8.1.220.0050.00317.79
8.1.210.0060.00318.77
8.1.200.0060.00317.23
8.1.190.0080.00017.23
8.1.180.0000.00818.10
8.1.170.0030.00618.52
8.1.160.0030.00521.91
8.1.150.0050.00218.88
8.1.140.0000.00817.48
8.1.130.0000.00717.57
8.1.120.0070.00017.43
8.1.110.0000.00817.49
8.1.100.0000.00717.48
8.1.90.0000.00717.40
8.1.80.0040.00417.46
8.1.70.0000.00717.43
8.1.60.0060.00317.59
8.1.50.0040.00417.51
8.1.40.0000.01017.49
8.1.30.0040.00417.49
8.1.20.0040.00417.65
8.1.10.0040.00417.61
8.1.00.0090.00317.57
8.0.300.0040.00419.65
8.0.290.0050.00316.75
8.0.280.0000.00718.43
8.0.270.0000.00717.09
8.0.260.0030.00317.24
8.0.250.0000.00716.99
8.0.240.0050.00216.82
8.0.230.0030.00516.95
8.0.220.0000.00716.94
8.0.210.0030.00516.81
8.0.200.0030.00316.98
8.0.190.0000.00816.82
8.0.180.0000.00716.86
8.0.170.0040.00416.87
8.0.160.0000.00716.98
8.0.150.0040.00416.87
8.0.140.0070.00016.84
8.0.130.0070.00013.32
8.0.120.0060.00316.83
8.0.110.0050.00316.77
8.0.100.0070.00016.79
8.0.90.0070.00016.95
8.0.80.0030.01316.87
8.0.70.0040.00416.68
8.0.60.0040.00316.91
8.0.50.0030.00316.78
8.0.30.0060.01017.26
8.0.20.0080.01117.40
8.0.10.0030.00517.04
8.0.00.0100.00716.73
7.4.330.0000.00515.08
7.4.320.0040.00416.47
7.4.300.0000.00616.58
7.4.290.0050.00216.48
7.4.280.0060.00316.39
7.4.270.0040.00416.60
7.4.260.0070.00016.50
7.4.250.0040.00416.47
7.4.240.0040.00316.50
7.4.230.0000.00716.60
7.4.220.0060.01316.55
7.4.210.0070.01016.44
7.4.200.0000.00716.57
7.4.160.0080.00816.29
7.4.150.0170.00017.40
7.4.140.0110.01017.86
7.4.130.0040.01416.54
7.4.120.0120.00716.49
7.4.110.0100.00716.47
7.4.100.0090.01216.46
7.4.90.0090.01416.38
7.4.80.0100.01319.39
7.4.70.0140.00316.48
7.4.60.0120.00416.51
7.4.50.0040.00416.20
7.4.40.0130.00316.51
7.4.30.0110.01116.27
7.4.00.0070.00714.77
7.3.330.0030.00313.16
7.3.320.0000.00513.13
7.3.310.0030.00316.28
7.3.300.0030.00316.26
7.3.290.0000.00616.15
7.3.280.0070.01016.27
7.3.270.0140.00717.40
7.3.260.0060.01716.62
7.3.250.0090.00916.32
7.3.240.0060.00916.39
7.3.230.0150.00616.54
7.3.210.0070.01116.38
7.3.200.0110.01119.39
7.3.190.0030.01316.30
7.3.180.0090.00916.52
7.3.170.0060.00916.52
7.3.160.0030.01216.42
7.3.10.0610.01014.62
7.3.00.0980.00314.59
7.2.330.0090.00916.53
7.2.320.0100.00716.82
7.2.310.0070.01116.81
7.2.300.0090.00916.34
7.2.290.0100.00716.59
7.2.130.0500.00714.86
7.2.120.0580.00014.92
7.2.110.0470.00314.94
7.2.100.0560.00714.89
7.2.90.0640.00314.88
7.2.80.0630.00315.09
7.2.70.0520.00715.20
7.2.60.0310.00916.09
7.2.50.0640.00715.19
7.2.40.0550.00615.00
7.2.30.0560.00715.19
7.2.20.0410.01014.84
7.2.10.0840.00314.80
7.2.00.0270.01117.22
7.1.250.0380.01013.63
7.1.240.0570.00713.80
7.1.230.0820.01113.83
7.1.220.0850.01413.89
7.1.210.0730.01713.86
7.1.200.0320.00814.56
7.1.190.0670.01013.79
7.1.180.0670.00613.79
7.1.170.0530.00813.96
7.1.160.0560.00414.01
7.1.150.0600.01413.78
7.1.140.0540.01413.68
7.1.130.0610.00713.98
7.1.120.0560.01013.90
7.1.110.0670.01014.00
7.1.100.0340.00715.84
7.1.90.0620.01913.91
7.1.80.0420.01413.66
7.1.70.0350.00915.35
7.1.60.0290.01616.92
7.1.50.0310.01115.18
7.1.40.0440.00313.37
7.1.30.0630.00713.89
7.1.20.0400.00713.73
7.1.10.0530.00713.79
7.1.00.0260.04518.04
7.0.330.0610.01013.36
7.0.320.0550.01213.29
7.0.310.0660.00713.49
7.0.300.0730.00613.51
7.0.290.0640.00013.67
7.0.280.0560.01913.40
7.0.270.0690.00713.48
7.0.260.0450.01413.59
7.0.250.0880.00013.68
7.0.240.0560.01513.48
7.0.230.0440.00713.30
7.0.220.0440.00913.71
7.0.210.0550.01013.72
7.0.200.0620.00314.07
7.0.190.0690.01013.24
7.0.180.0630.00913.66
7.0.170.0680.00313.47
7.0.160.0400.01213.56
7.0.150.0520.00713.59
7.0.140.0760.00613.56
7.0.130.0820.00313.45
7.0.120.0570.00613.28
7.0.110.0470.00613.79
7.0.100.0470.00913.70
7.0.90.0380.01013.60
7.0.80.0550.00313.68
7.0.70.0630.00213.39
7.0.60.0300.04416.81
7.0.50.0300.04315.71
7.0.40.0320.03316.81
7.0.30.0570.02816.79
7.0.20.0400.03317.06
7.0.10.0370.04516.92
7.0.00.0210.05216.81
5.6.380.0150.01214.23
5.6.370.0170.01413.91
5.6.360.0100.01413.91
5.6.350.0160.01414.15
5.6.340.0130.00713.86
5.6.330.0200.01313.63
5.6.320.0180.01814.36
5.6.310.0190.00313.95
5.6.300.0180.01113.75
5.6.290.0120.01614.02
5.6.280.0100.03717.49
5.6.270.0180.01014.04
5.6.260.0100.01414.39
5.6.250.0130.00314.08
5.6.240.0140.00614.34
5.6.230.0110.01713.99
5.6.220.0150.00613.79
5.6.210.0080.02317.29
5.6.200.0160.04116.16
5.6.190.0080.02717.37
5.6.180.0250.04117.41
5.6.170.0250.04617.27
5.6.160.0110.03017.18
5.6.150.0140.04416.00
5.6.140.0090.04516.17
5.6.130.0100.04416.06
5.6.120.0060.05017.56
5.6.110.0110.02017.67
5.6.100.0150.04017.56
5.6.90.0200.04217.45
5.6.80.0170.04217.22
5.6.70.0160.01114.02
5.6.60.0170.01313.94
5.6.50.0200.01013.94
5.6.40.0120.02014.10
5.6.30.0180.00013.88
5.6.20.0100.01013.84
5.6.10.0120.01213.83
5.6.00.0190.01014.05
5.5.380.0140.01011.02
5.5.370.0110.00710.73
5.5.360.0160.00310.57
5.5.350.0060.04415.70
5.5.340.0100.02214.38
5.5.330.0110.03415.62
5.5.320.0190.03515.50
5.5.310.0210.04115.56
5.5.300.0060.04714.47
5.5.290.0130.03814.56
5.5.280.0120.02715.96
5.5.270.0160.04015.86
5.5.260.0100.04015.99
5.5.250.0050.03215.59
5.5.240.0100.02415.45
5.5.230.0070.00710.70
5.5.220.0200.00310.91
5.5.210.0100.01310.64
5.5.200.0110.00710.84
5.5.190.0130.00310.61
5.5.180.0120.00510.84
5.5.170.0130.00610.77
5.5.160.0060.00810.92
5.5.150.0210.00010.45
5.5.140.0180.00610.95
5.5.130.0030.01210.35
5.5.120.0060.01110.94
5.5.110.0090.01510.87
5.5.100.0050.01510.82
5.5.90.0090.00610.67
5.5.80.0040.01110.95
5.5.70.0200.00310.89
5.5.60.0090.00510.64
5.5.50.0120.00210.89
5.5.40.0110.00210.75
5.5.30.0070.00510.71
5.5.20.0120.01210.79
5.5.10.0150.00710.95
5.5.00.0040.00810.64
5.4.450.0280.03115.07
5.4.440.0270.03714.99
5.4.430.0320.03014.78
5.4.420.0290.03114.85
5.4.410.0300.03415.07
5.4.400.0260.02815.04
5.4.390.0310.02714.93
5.4.380.0240.03314.73
5.4.370.0300.02714.73
5.4.360.0250.03214.55
5.4.350.0180.03414.90
5.4.340.0250.02714.80
5.4.330.0100.00910.56
5.4.320.0270.02614.71
5.4.310.0310.02614.87
5.4.300.0270.03014.81
5.4.290.0340.02515.00
5.4.280.0280.03914.66
5.4.270.0400.03114.81
5.4.260.0250.03514.59
5.4.250.0270.03214.91
5.4.240.0280.02814.73
5.4.230.0280.02814.87
5.4.220.0250.02814.83
5.4.210.0260.03114.89
5.4.200.0250.03014.85
5.4.190.0210.03215.00
5.4.180.0300.02814.69
5.4.170.0230.03614.76
5.4.160.0230.03415.11
5.4.150.0310.03014.98
5.4.140.0360.02513.64
5.4.130.0300.02613.45
5.4.120.0310.02913.62
5.4.110.0260.03013.51
5.4.100.0330.02513.59
5.4.90.0300.02913.72
5.4.80.0230.02813.50
5.4.70.0080.03313.57
5.4.60.0030.04213.33
5.4.50.0060.02013.52
5.4.40.0160.01913.64
5.4.30.0160.03313.64
5.4.20.0180.03013.44
5.4.10.0030.00910.62
5.4.00.0100.00310.57
5.3.290.0500.01813.02
5.3.280.0320.02213.02
5.3.270.0690.02013.06
5.3.260.0410.02513.12
5.3.250.0560.01813.10
5.3.240.0250.02713.01
5.3.230.0270.02713.07
5.3.220.0370.02613.01
5.3.210.0330.02312.92
5.3.200.0470.02313.04
5.3.190.0490.02213.09
5.3.180.0190.02313.18
5.3.170.0080.00610.22
5.3.160.0060.00610.38
5.3.150.0040.00810.36
5.3.140.0000.01010.37
5.3.130.0060.00910.05
5.3.120.0100.00510.18
5.3.110.0170.00310.23
5.3.100.0050.01410.42
5.3.90.0120.00810.19
5.3.80.0100.01010.28
5.3.70.0130.00310.05
5.3.60.0110.00010.05
5.3.50.0080.00310.22
5.3.40.0080.01610.21
5.3.30.0100.00310.21
5.3.20.0110.00610.25
5.3.10.0060.00610.01
5.3.00.0130.00710.04
5.2.170.0150.0009.07
5.2.160.0060.0069.34
5.2.150.0150.0039.37
5.2.140.0050.0059.26
5.2.130.0060.0069.01
5.2.120.0070.0079.27
5.2.110.0070.0049.18
5.2.100.0080.0089.25
5.2.90.0050.0039.24
5.2.80.0090.0049.23
5.2.70.0080.0059.20
5.2.60.0090.0009.13
5.2.50.0150.0069.30
5.2.40.0120.0048.99
5.2.30.0090.0099.23
5.2.20.0080.0089.12
5.2.10.0130.0038.99
5.2.00.0040.0048.99
5.1.60.0070.0078.99
5.1.50.0040.0118.99
5.1.40.0030.0068.99
5.1.30.0100.0038.99
5.1.20.0110.0028.99
5.1.10.0050.0108.99
5.1.00.0140.0048.99
5.0.50.0050.0098.99
5.0.40.0040.0048.99
5.0.30.0040.0048.99
5.0.20.0100.0028.99
5.0.10.0030.0038.99
5.0.00.0070.0008.99
4.4.90.0030.0038.99
4.4.80.0030.0038.99
4.4.70.0070.0058.99
4.4.60.0110.0048.99
4.4.50.0040.0088.99
4.4.40.0040.0048.99
4.4.30.0050.0038.99
4.4.20.0080.0048.99
4.4.10.0070.0028.99
4.4.00.0080.0058.99
4.3.110.0030.0038.99
4.3.100.0060.0068.99
4.3.90.0050.0008.99
4.3.80.0080.0038.99
4.3.70.0100.0038.99
4.3.60.0040.0088.99
4.3.50.0080.0038.99
4.3.40.0090.0008.99
4.3.30.0040.0048.99
4.3.20.0060.0028.99
4.3.10.0050.0038.99
4.3.00.0030.0038.99

preferences:
53.76 ms | 400 KiB | 5 Q