3v4l.org

run code in 300+ PHP versions simultaneously
<?php echo '== Characters ==' . PHP_EOL; $s = 'W'; for ($n=0; $n<6; $n++) { echo ++$s . PHP_EOL; } // Digits character behaves differently echo '== Digits ==' . PHP_EOL; $d = 'A8'; for ($n=0; $n<6; $n++) { echo ++$d . PHP_EOL; } $d = 'A08'; for ($n=0; $n<6; $n++) { echo ++$d . PHP_EOL; }

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)
8.3.40.0110.00318.71
8.3.30.0110.00418.86
8.3.20.0040.00420.16
8.3.10.0040.00423.48
8.3.00.0040.00420.84
8.2.170.0070.00722.96
8.2.160.0130.00320.41
8.2.150.0030.00524.18
8.2.140.0030.00624.66
8.2.130.0170.00326.16
8.2.120.0050.00320.69
8.2.110.0090.00022.19
8.2.100.0060.00617.91
8.2.90.0040.00419.16
8.2.80.0040.00417.97
8.2.70.0060.00317.25
8.2.60.0090.00017.93
8.2.50.0040.00418.07
8.2.40.0050.00817.91
8.2.30.0000.00918.24
8.2.20.0040.00417.79
8.2.10.0000.00718.06
8.2.00.0080.00017.60
8.1.270.0100.00322.02
8.1.260.0070.00026.35
8.1.250.0070.00028.09
8.1.240.0030.00622.13
8.1.230.0080.00419.04
8.1.220.0080.00017.74
8.1.210.0050.00318.77
8.1.200.0060.00317.22
8.1.190.0060.00317.23
8.1.180.0040.00418.10
8.1.170.0040.00418.58
8.1.160.0000.00721.97
8.1.150.0040.00418.62
8.1.140.0070.00017.38
8.1.130.0030.00317.81
8.1.120.0000.00717.50
8.1.110.0050.00517.42
8.1.100.0070.00017.41
8.1.90.0000.00817.39
8.1.80.0070.00017.45
8.1.70.0050.00317.41
8.1.60.0000.00817.45
8.1.50.0000.00717.45
8.1.40.0000.00717.60
8.1.30.0000.00817.49
8.1.20.0040.00417.62
8.1.10.0040.00417.48
8.1.00.0040.00417.40
8.0.300.0060.00318.77
8.0.290.0000.00717.04
8.0.280.0040.00418.45
8.0.270.0030.00317.29
8.0.260.0040.00417.27
8.0.250.0000.00716.94
8.0.240.0000.00717.02
8.0.230.0030.00616.98
8.0.220.0000.00716.88
8.0.210.0000.00816.95
8.0.200.0030.00316.97
8.0.190.0070.00016.86
8.0.180.0030.00516.87
8.0.170.0000.00716.88
8.0.160.0030.00316.89
8.0.150.0000.00816.76
8.0.140.0040.00416.81
8.0.130.0060.00013.36
8.0.120.0040.00416.86
8.0.110.0040.00416.91
8.0.100.0000.00716.68
8.0.90.0000.00716.77
8.0.80.0070.01016.84
8.0.70.0070.00016.69
8.0.60.0030.00316.68
8.0.50.0000.00816.73
8.0.30.0100.00917.07
8.0.20.0080.01117.40
8.0.10.0000.00817.02
8.0.00.0100.01016.65
7.4.330.0020.00215.09
7.4.320.0000.00616.46
7.4.300.0000.00616.50
7.4.290.0040.00416.54
7.4.280.0060.00316.43
7.4.270.0000.00816.46
7.4.260.0030.00616.48
7.4.250.0080.00016.55
7.4.240.0040.00316.55
7.4.230.0050.00216.61
7.4.220.0070.01016.52
7.4.210.0070.00716.39
7.4.200.0070.00016.38
7.4.160.0070.01716.46
7.4.150.0030.01517.40
7.4.140.0140.01117.86
7.4.130.0130.00416.50
7.4.120.0090.00916.47
7.4.110.0040.01416.32
7.4.100.0140.00316.24
7.4.90.0140.00716.46
7.4.80.0130.01019.39
7.4.70.0120.00916.51
7.4.60.0110.01016.47
7.4.50.0000.01016.55
7.4.40.0060.00916.23
7.4.30.0000.01616.46
7.4.10.0140.00315.00
7.4.00.0030.01214.93
7.3.330.0030.00313.02
7.3.320.0050.00013.11
7.3.310.0030.00316.34
7.3.300.0030.00316.20
7.3.290.0090.00516.30
7.3.280.0070.00816.30
7.3.270.0170.00317.40
7.3.260.0080.00816.20
7.3.250.0080.01116.25
7.3.240.0060.01916.63
7.3.230.0100.00616.39
7.3.210.0110.00716.53
7.3.200.0060.00919.39
7.3.190.0030.01316.33
7.3.180.0100.00616.45
7.3.170.0110.00416.27
7.3.160.0110.00516.70
7.3.130.0070.01015.10
7.3.120.0070.00514.95
7.3.110.0100.01014.78
7.3.100.0040.01114.64
7.3.90.0030.01014.75
7.3.80.0060.00914.74
7.3.70.0150.00014.73
7.3.60.0000.00914.96
7.3.50.0080.00414.74
7.3.40.0030.01014.74
7.3.30.0060.00314.70
7.3.20.0100.00716.43
7.3.10.0060.00516.70
7.3.00.0060.00516.60
7.2.330.0100.01016.59
7.2.320.0100.00716.64
7.2.310.0070.01116.52
7.2.300.0080.00816.71
7.2.290.0080.00816.55
7.2.260.0150.00415.06
7.2.250.0060.01215.26
7.2.240.0060.00915.17
7.2.230.0150.00415.15
7.2.220.0080.00415.02
7.2.210.0070.01115.16
7.2.200.0030.01015.11
7.2.190.0070.00814.88
7.2.180.0130.00314.78
7.2.170.0060.00315.02
7.2.160.0080.00815.04
7.2.150.0030.00916.98
7.2.140.0130.00016.88
7.2.130.0030.01116.95
7.2.120.0080.00616.92
7.2.110.0040.01216.95
7.2.100.0040.00917.03
7.2.90.0070.00317.02
7.2.80.0060.01016.91
7.2.70.0110.00516.72
7.2.60.0060.00716.79
7.2.50.0100.00516.95
7.2.40.0030.01216.86
7.2.30.0040.01016.81
7.2.20.0030.01016.99
7.2.10.0050.01116.75
7.2.00.0050.00517.68
7.1.330.0000.01715.81
7.1.320.0000.01415.56
7.1.310.0000.00915.80
7.1.300.0090.00915.87
7.1.290.0080.00815.48
7.1.280.0070.00715.82
7.1.270.0090.00615.71
7.1.260.0070.00715.57
7.1.250.0060.00815.77
7.1.240.0100.00315.68
7.1.230.0090.00015.78
7.1.220.0030.01315.55
7.1.210.0070.00715.47
7.1.200.0110.00615.42
7.1.190.0040.01115.73
7.1.180.0040.01115.66
7.1.170.0060.00915.92
7.1.160.0030.00615.90
7.1.150.0040.00815.86
7.1.140.0000.01515.88
7.1.130.0070.01015.43
7.1.120.0090.00615.70
7.1.110.0080.00415.90
7.1.100.0130.01016.96
7.1.90.0030.00915.79
7.1.80.0040.00815.55
7.1.70.0060.00616.50
7.1.60.0110.00517.70
7.1.50.0070.01016.07
7.1.40.0030.00515.80
7.1.30.0040.00715.77
7.1.20.0060.00615.89
7.1.10.0070.00715.71
7.1.00.0020.04519.04
7.0.330.0030.00915.46
7.0.320.0100.00315.61
7.0.310.0060.00315.53
7.0.300.0150.00015.43
7.0.290.0100.00715.13
7.0.280.0070.00715.51
7.0.270.0100.00715.34
7.0.260.0060.00915.43
7.0.250.0030.01315.44
7.0.240.0000.01415.44
7.0.230.0030.00815.25
7.0.220.0070.00715.45
7.0.210.0060.00615.25
7.0.200.0040.00616.16
7.0.190.0070.00715.50
7.0.180.0000.01215.52
7.0.170.0040.01115.45
7.0.160.0030.00615.16
7.0.150.0030.00715.41
7.0.140.0020.04318.67
7.0.130.0110.00015.29
7.0.120.0030.01015.45
7.0.110.0070.00715.29
7.0.100.0060.00915.37
7.0.90.0040.00815.44
7.0.80.0040.00415.46
7.0.70.0020.04818.40
7.0.60.0000.04718.65
7.0.50.0060.04318.73
7.0.40.0040.04416.86
7.0.30.0030.04716.81
7.0.20.0080.04616.85
7.0.10.0050.04616.67
7.0.00.0070.04316.76
5.6.400.0060.00614.53
5.6.390.0120.00414.27
5.6.380.0030.00714.23
5.6.370.0040.01014.39
5.6.360.0090.00914.19
5.6.350.0040.00414.37
5.6.340.0030.00614.56
5.6.330.0100.00314.27
5.6.320.0060.00813.85
5.6.310.0030.01214.39
5.6.300.0070.00714.61
5.6.290.0060.00614.32
5.6.280.0060.03717.73
5.6.270.0110.00714.63
5.6.260.0090.00314.25
5.6.250.0060.00314.64
5.6.240.0030.01114.36
5.6.230.0030.01014.05
5.6.220.0050.04617.53
5.6.210.0020.04017.46
5.6.200.0050.03917.74
5.6.190.0060.04217.64
5.6.180.0050.03617.66
5.6.170.0080.03317.76
5.6.160.0070.04217.70
5.6.150.0070.04617.69
5.6.140.0050.04517.65
5.6.130.0070.04717.58
5.6.120.0060.04217.71
5.6.110.0050.04017.60
5.6.100.0060.04617.67
5.6.90.0010.04517.73
5.6.80.0030.04217.41
5.6.70.0020.04517.32
5.6.60.0060.03017.29
5.6.50.0100.03717.21
5.6.40.0030.04117.20
5.6.30.0060.02117.24
5.6.20.0030.04317.37
5.6.10.0070.04217.41
5.6.00.0050.03817.40
5.5.380.0000.00814.18
5.5.370.0030.01214.14
5.5.360.0080.03617.11
5.5.350.0070.04317.29
5.5.340.0050.04517.54
5.5.330.0050.04317.39
5.5.320.0030.04617.54
5.5.310.0070.03917.48
5.5.300.0090.04217.30
5.5.290.0070.04417.39
5.5.280.0080.04017.63
5.5.270.0050.04917.53
5.5.260.0070.04717.60
5.5.250.0090.04017.50
5.5.240.0050.03717.22
5.5.230.0000.04717.31
5.5.220.0100.03517.21
5.5.210.0050.02517.25
5.5.200.0070.03717.15
5.5.190.0020.04417.22
5.5.180.0090.04417.12
5.5.170.0030.01314.27
5.5.160.0050.03617.17
5.5.150.0090.04017.29
5.5.140.0050.03517.17
5.5.130.0040.04017.20
5.5.120.0050.02817.18
5.5.110.0050.02517.17
5.5.100.0040.02717.07
5.5.90.0050.04117.24
5.5.80.0030.04017.12
5.5.70.0040.04317.07
5.5.60.0110.03616.92
5.5.50.0020.03717.04
5.5.40.0060.04117.06
5.5.30.0030.03517.08
5.5.20.0030.04517.23
5.5.10.0030.03817.23
5.5.00.0020.03717.21
5.4.450.0070.03815.08
5.4.440.0030.03215.18
5.4.430.0020.04515.13
5.4.420.0080.03814.87
5.4.410.0060.03215.09
5.4.400.0050.03814.89
5.4.390.0070.03214.96
5.4.380.0080.04015.00
5.4.370.0040.03214.76
5.4.360.0070.04015.00
5.4.350.0030.02314.99
5.4.340.0050.03914.73
5.4.330.0040.00810.99
5.4.320.0010.04114.72
5.4.310.0050.04314.93
5.4.300.0050.02514.92
5.4.290.0070.01814.88
5.4.280.0030.02714.97
5.4.270.0010.03114.79
5.4.260.0020.02714.94
5.4.250.0070.03814.88
5.4.240.0020.04214.88
5.4.230.0050.03514.93
5.4.220.0030.04014.68
5.4.210.0060.03414.88
5.4.200.0030.04314.92
5.4.190.0050.02714.97
5.4.180.0040.04014.86
5.4.170.0060.04015.01
5.4.160.0090.03514.90
5.4.150.0030.03914.84
5.4.140.0020.04013.56
5.4.130.0020.04213.68
5.4.120.0030.03213.53
5.4.110.0030.02513.66
5.4.100.0030.03113.48
5.4.90.0040.02113.46
5.4.80.0040.02113.57
5.4.70.0040.03413.46
5.4.60.0050.04013.66
5.4.50.0000.03613.61
5.4.40.0030.03313.42
5.4.30.0020.04013.44
5.4.20.0000.03013.53
5.4.10.0000.04413.50
5.4.00.0050.03313.31
5.3.290.0030.04312.52
5.3.280.0030.03312.46
5.3.270.0030.03712.36
5.3.260.0030.02812.45
5.3.250.0050.03712.47
5.3.240.0030.03012.44
5.3.230.0030.03212.36
5.3.220.0030.04012.27
5.3.210.0020.02512.40
5.3.200.0040.02112.41
5.3.190.0020.03712.38
5.3.180.0040.03912.53
5.3.170.0020.03312.53
5.3.160.0010.04012.56
5.3.150.0050.03812.45
5.3.140.0020.02412.46
5.3.130.0030.04012.45
5.3.120.0050.03812.47
5.3.110.0030.04212.44
5.3.100.0040.03512.20
5.3.90.0060.04012.26
5.3.80.0030.03712.14
5.3.70.0050.03912.07
5.3.60.0010.04012.11
5.3.50.0020.03712.04
5.3.40.0020.04312.07
5.3.30.0020.04112.06
5.3.20.0050.04011.99
5.3.10.0020.04011.78
5.3.00.0040.03711.87
5.2.170.0070.06011.17
5.2.160.0000.06311.17
5.2.150.0000.06311.17
5.2.140.0030.05311.17
5.2.130.0030.05311.17
5.2.120.0030.05011.17
5.2.110.0000.06311.17
5.2.100.0030.05711.17
5.2.90.0000.06311.17
5.2.80.0070.06011.17
5.2.70.0030.05311.17
5.2.60.0030.06011.17
5.2.50.0100.05311.17
5.2.40.0030.06011.17
5.2.30.0000.06311.17
5.2.20.0030.05311.17
5.2.10.0070.06011.17
5.2.00.0000.06311.17
5.1.60.0000.05311.17
5.1.50.0070.05011.17
5.1.40.0030.05311.17
5.1.30.0000.06011.17
5.1.20.0030.05011.17
5.1.10.0000.05711.17
5.1.00.0000.05711.17
5.0.50.0000.05011.17
5.0.40.0000.05011.17
5.0.30.0000.06011.17
5.0.20.0000.04711.17
5.0.10.0070.04011.17
5.0.00.0000.06711.17
4.4.90.0000.03311.17
4.4.80.0070.03011.17
4.4.70.0000.03311.17
4.4.60.0000.02011.17
4.4.50.0000.03311.17
4.4.40.0030.05311.17
4.4.30.0030.03311.17
4.4.20.0030.02711.17
4.4.10.0000.03011.17
4.4.00.0070.05011.17
4.3.110.0030.03311.17
4.3.100.0030.02011.17
4.3.90.0030.03011.17
4.3.80.0000.05311.17
4.3.70.0000.03311.17
4.3.60.0000.03711.17
4.3.50.0000.03011.17
4.3.40.0000.05011.17
4.3.30.0000.03711.17
4.3.20.0000.03011.17
4.3.10.0000.02311.17
4.3.00.0030.03311.17

preferences:
40.68 ms | 400 KiB | 5 Q