3v4l.org

run code in 300+ PHP versions simultaneously
<?php class Test{ const ABC♥ = "alphabet"; } $class = new ReflectionClass("Test"); $bad_char = "♥"; $constants = $class->getConstants(); $keys = array_keys($constants); for ( $i=0, $ct=count($keys); $i < $ct; $i++) { if ( strpos( $keys[$i], $bad_char) !== false ) { trigger_error( "'$bad_char' in '$keys[$i]" ); }} // Notice: '♥' in 'ABC ♥' in …

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)
8.3.60.0000.01516.63
8.3.50.0110.00722.80
8.3.40.0110.00418.98
8.3.30.0100.00319.23
8.3.20.0040.00420.24
8.3.10.0040.00423.68
8.3.00.0040.00419.38
8.2.180.0100.00716.88
8.2.170.0140.00022.96
8.2.160.0090.00620.39
8.2.150.0050.00324.18
8.2.140.0050.00324.66
8.2.130.0070.01026.16
8.2.120.0040.00421.21
8.2.110.0070.00322.01
8.2.100.0080.00417.97
8.2.90.0000.00919.30
8.2.80.0080.00017.97
8.2.70.0000.00817.38
8.2.60.0030.00618.04
8.2.50.0040.00418.07
8.2.40.0000.00818.16
8.2.30.0040.00418.18
8.2.20.0000.00817.81
8.2.10.0080.00018.10
8.2.00.0040.00417.74
8.1.280.0030.01025.92
8.1.270.0080.00023.79
8.1.260.0070.00026.35
8.1.250.0070.00028.09
8.1.240.0060.00323.96
8.1.230.0040.00719.10
8.1.220.0040.00417.74
8.1.210.0040.00418.77
8.1.200.0030.00717.10
8.1.190.0030.00517.22
8.1.180.0040.00418.10
8.1.170.0060.00318.64
8.1.160.0040.00422.02
8.1.150.0000.00718.94
8.1.140.0040.00417.46
8.1.130.0000.00717.75
8.1.120.0070.00017.37
8.1.110.0040.00417.41
8.1.100.0000.00717.50
8.1.90.0060.00317.48
8.1.80.0000.00717.53
8.1.70.0000.00717.29
8.1.60.0040.00417.50
8.1.50.0030.00517.43
8.1.40.0030.00517.53
8.1.30.0060.00317.58
8.1.20.0080.00017.66
8.1.10.0050.00217.56
8.1.00.0000.01017.56
8.0.300.0050.00218.77
8.0.290.0070.00016.75
8.0.280.0000.00818.58
8.0.270.0000.00816.88
8.0.260.0000.00617.19
8.0.250.0050.00317.00
8.0.240.0000.00716.90
8.0.230.0030.00316.94
8.0.220.0000.00716.93
8.0.210.0000.00717.04
8.0.200.0030.00316.99
8.0.190.0040.00417.02
8.0.180.0000.00716.94
8.0.170.0040.00416.86
8.0.160.0040.00416.83
8.0.150.0050.00516.89
8.0.140.0040.00416.91
8.0.130.0050.00013.43
8.0.120.0040.00416.87
8.0.110.0040.00416.96
8.0.100.0030.00516.90
8.0.90.0070.00016.83
8.0.80.0040.01117.00
8.0.70.0040.00416.99
8.0.60.0000.00717.00
8.0.50.0040.00416.95
8.0.30.0070.01117.08
8.0.20.0060.01317.40
8.0.10.0030.00316.93
8.0.00.0120.00716.73
7.4.330.0020.00215.09
7.4.320.0030.00316.52
7.4.300.0050.00316.65
7.4.290.0030.00516.58
7.4.280.0000.00716.64
7.4.270.0030.00316.60
7.4.260.0000.00613.21
7.4.250.0000.00716.56
7.4.240.0060.00216.42
7.4.230.0030.00316.50
7.4.220.0090.01016.50
7.4.210.0030.01716.52
7.4.200.0030.00316.35
7.4.160.0000.01516.43
7.4.150.0100.00717.40
7.4.140.0140.00317.86
7.4.130.0170.00016.64
7.4.120.0140.00316.46
7.4.110.0120.00616.62
7.4.100.0100.00716.37
7.4.90.0140.00716.73
7.4.80.0060.01119.39
7.4.70.0130.00616.43
7.4.60.0060.01216.55
7.4.50.0050.00016.57
7.4.40.0040.02016.61
7.4.30.0090.00616.64
7.4.00.0110.00414.68
7.3.330.0070.00013.43
7.3.320.0040.00413.50
7.3.310.0000.00716.24
7.3.300.0030.00316.30
7.3.290.0090.00616.35
7.3.280.0100.00816.40
7.3.270.0100.01017.40
7.3.260.0100.00716.71
7.3.250.0070.01016.63
7.3.240.0120.00916.63
7.3.230.0070.01016.64
7.3.210.0120.00616.57
7.3.200.0160.00019.39
7.3.190.0080.01016.66
7.3.180.0140.00316.53
7.3.170.0090.00616.46
7.3.160.0090.00616.55
7.3.00.0130.00316.74
7.2.330.0030.01416.45
7.2.320.0090.00916.56
7.2.310.0000.01816.82
7.2.300.0160.00016.57
7.2.290.0070.01416.56
7.2.130.0130.00717.15
7.2.120.0110.00616.80
7.2.110.0110.00716.66
7.2.100.0160.00316.73
7.2.90.0110.00716.85
7.2.80.0060.00917.11
7.2.70.0070.01116.85
7.2.60.0060.00917.04
7.2.50.0180.00017.07
7.2.40.0090.00916.88
7.2.30.0090.00916.96
7.2.20.0100.00716.78
7.2.10.0120.00316.89
7.2.00.0090.00917.92
7.1.250.0110.00415.48
7.1.240.0100.00715.53
7.1.230.0110.00715.80
7.1.220.0090.00615.91
7.1.210.0070.00715.79
7.1.200.0050.00915.85
7.1.190.0160.00315.89
7.1.180.0030.01015.61
7.1.170.0110.00315.61
7.1.160.0060.01015.86
7.1.150.0030.01015.73
7.1.140.0110.00715.80
7.1.130.0090.00615.61
7.1.120.0120.00415.96
7.1.110.0130.00715.70
7.1.100.0050.00716.97
7.1.90.0030.01015.86
7.1.80.0090.00915.93
7.1.70.0080.00316.56
7.1.60.0080.01217.70
7.1.50.0090.00816.36
7.1.40.0120.00315.72
7.1.30.0070.01015.82
7.1.20.0090.00615.86
7.1.10.0100.00715.75
7.1.00.0050.04318.89
7.0.330.0040.01115.02
7.0.320.0130.00315.38
7.0.310.0070.00715.26
7.0.300.0160.00315.39
7.0.290.0140.00315.33
7.0.280.0190.00015.29
7.0.270.0110.00415.02
7.0.260.0100.00615.47
7.0.250.0000.01315.33
7.0.240.0140.00315.46
7.0.230.0070.01015.27
7.0.220.0060.00615.54
7.0.210.0100.00315.32
7.0.200.0140.00515.29
7.0.190.0100.00315.57
7.0.180.0040.01115.57
7.0.170.0140.00415.50
7.0.160.0110.00315.44
7.0.150.0130.00315.39
7.0.140.0060.04218.68
7.0.130.0130.00315.46
7.0.120.0120.00315.55
7.0.110.0080.00815.39
7.0.100.0080.00415.44
7.0.90.0110.00515.30
7.0.80.0140.00815.31
7.0.70.0150.00315.48
7.0.60.0120.03817.62
7.0.50.0060.03516.62
7.0.40.0080.03216.68
7.0.30.0180.04016.67
7.0.20.0180.03016.84
7.0.10.0100.03316.82
7.0.00.0070.03716.76
5.6.380.0060.00314.40
5.6.370.0080.00314.37
5.6.360.0070.00714.17
5.6.350.0030.01014.14
5.6.340.0030.00614.28
5.6.330.0090.00614.40
5.6.320.0100.00714.46
5.6.310.0060.00314.49
5.6.300.0030.00814.25
5.6.290.0030.00713.92
5.6.280.0030.04017.55
5.6.270.0060.00614.26
5.6.260.0060.00314.46
5.6.250.0100.00014.23
5.6.240.0030.00914.48
5.6.230.0070.00714.31
5.6.220.0070.01014.49
5.6.210.0050.04317.47
5.6.200.0060.03316.18
5.6.190.0020.04517.47
5.6.180.0100.02717.37
5.6.170.0170.04217.28
5.6.160.0050.04017.41
5.6.150.0090.04316.32
5.6.140.0040.04116.26
5.6.130.0050.02516.41
5.6.120.0040.02517.56
5.6.110.0080.04817.79
5.6.100.0080.04117.55
5.6.90.0030.02817.74
5.6.80.0030.02317.26
5.6.70.0040.00714.34
5.6.60.0080.00414.06
5.6.50.0050.00814.07
5.6.40.0000.01514.06
5.6.30.0000.00914.17
5.6.20.0110.00314.14
5.6.10.0030.01014.29
5.6.00.0060.00613.96
5.5.380.0000.00910.95
5.5.370.0050.00511.18
5.5.360.0040.00711.07
5.5.350.0180.04015.79
5.5.340.0090.02914.53
5.5.330.0050.02815.80
5.5.320.0100.04015.79
5.5.310.0100.02415.77
5.5.300.0080.02314.60
5.5.290.0020.03114.45
5.5.280.0060.02116.07
5.5.270.0170.03515.86
5.5.260.0070.04516.21
5.5.250.0020.03315.91
5.5.240.0000.02115.59
5.5.230.0050.00011.21
5.5.220.0060.00010.89
5.5.210.0060.00610.99
5.5.200.0030.00610.68
5.5.190.0000.01011.17
5.5.180.0060.00311.23
5.5.170.0060.00310.89
5.5.160.0030.00710.84
5.5.150.0100.00011.01
5.5.140.0060.00611.01
5.5.130.0090.00010.93
5.5.120.0060.00311.10
5.5.110.0030.00711.06
5.5.100.0040.00411.09
5.5.90.0030.00311.31
5.5.80.0040.00711.33
5.5.70.0040.00811.20
5.5.60.0060.00611.36
5.5.50.0030.00711.04
5.5.40.0070.00311.22
5.5.30.0090.00011.22
5.5.20.0070.00710.91
5.5.10.0030.00910.90
5.5.00.0030.00610.83
5.4.450.0450.03215.33
5.4.440.0200.04115.20
5.4.430.0320.03315.35
5.4.420.0040.03215.27
5.4.410.0000.03815.02
5.4.400.0220.02714.79
5.4.390.0200.03815.07
5.4.380.0080.02814.80
5.4.370.0060.02114.78
5.4.360.0050.02314.87
5.4.350.0050.02411.59
5.4.340.0130.02411.62
5.4.330.0130.00510.94
5.4.320.0050.02511.71
5.4.310.0050.02211.80
5.4.300.0050.02111.66
5.4.290.0040.02211.80
5.4.280.0090.01711.65
5.4.270.0080.01711.83
5.4.260.0060.02311.71
5.4.250.0050.02211.80
5.4.240.0060.02011.72
5.4.230.0020.02411.49
5.4.220.0050.02011.55
5.4.210.0040.02211.82
5.4.200.0060.02211.62
5.4.190.0040.02211.71
5.4.180.0040.02211.68
5.4.170.0100.01611.66
5.4.160.0030.02311.55
5.4.150.0070.02111.52
5.4.140.0040.02311.56
5.4.130.0060.01911.57
5.4.120.0040.02211.56
5.4.110.0030.02311.60
5.4.100.0040.02111.51
5.4.90.0070.01911.54
5.4.80.0060.02311.51
5.4.70.0070.01711.35
5.4.60.0070.02111.57
5.4.50.0070.02211.47
5.4.40.0020.02411.63
5.4.30.0070.01711.34
5.4.20.0070.01911.68
5.4.10.0020.02311.48
5.4.00.0020.02211.16
5.3.290.0070.02611.79
5.3.280.0050.02511.61
5.3.270.0070.02411.68
5.3.260.0070.02411.65
5.3.250.0110.02111.55
5.3.240.0060.02211.62
5.3.230.0040.02211.62
5.3.220.0020.02311.62
5.3.210.0040.02311.62
5.3.200.0070.02211.55
5.3.190.0060.02311.62
5.3.180.0040.02311.70
5.3.170.0060.01911.69
5.3.160.0050.02311.73
5.3.150.0060.01911.59
5.3.140.0080.01611.67
5.3.130.0020.02611.63
5.3.120.0060.02011.62
5.3.110.0060.02411.64
5.3.100.0060.02011.33
5.3.90.0040.02111.44
5.3.80.0020.02311.31
5.3.70.0040.02511.28
5.3.60.0060.01811.30
5.3.50.0040.02011.31
5.3.40.0030.02211.34
5.3.30.0060.02211.32
5.3.20.0040.02011.04
5.3.10.0040.02310.90
5.3.00.0040.02211.07
5.2.170.0050.0189.31
5.2.160.0060.0149.41
5.2.150.0040.0229.33
5.2.140.0030.0189.37
5.2.130.0020.0189.37
5.2.120.0040.0189.35
5.2.110.0050.0169.41
5.2.100.0040.0179.42
5.2.90.0030.0179.36
5.2.80.0020.0199.33
5.2.70.0040.0179.34
5.2.60.0040.0209.33
5.2.50.0040.0179.30
5.2.40.0040.0159.29
5.2.30.0040.0169.23
5.2.20.0040.0169.28
5.2.10.0020.0169.18
5.2.00.0020.0179.11
5.1.60.0080.0138.75
5.1.50.0060.0168.75
5.1.40.0050.0158.74
5.1.30.0030.0158.91
5.1.20.0030.0188.92
5.1.10.0020.0158.78
5.1.00.0020.0148.79
5.0.50.0030.0128.03
5.0.40.0020.0127.96
5.0.30.0030.0167.86
5.0.20.0040.0117.84
5.0.10.0030.0117.83
5.0.00.0050.0157.83
4.4.90.0000.0117.10
4.4.80.0040.0097.09
4.4.70.0020.0107.09
4.4.60.0030.0097.08
4.4.50.0030.0087.09
4.4.40.0030.0137.06
4.4.30.0020.0107.09
4.4.20.0020.0097.13
4.4.10.0020.0097.13
4.4.00.0020.0147.09
4.3.110.0010.0107.04
4.3.100.0030.0077.04
4.3.90.0030.0077.03
4.3.80.0020.0147.00
4.3.70.0030.0087.02
4.3.60.0030.0097.02
4.3.50.0010.0127.02
4.3.40.0020.0136.98
4.3.30.0030.0096.36
4.3.20.0000.0106.35
4.3.10.0010.0096.33
4.3.00.0050.0148.27

preferences:
46.6 ms | 401 KiB | 5 Q