3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = [ // \h 0x0009 => 'horizontal tab', 0x0020 => 'space', 0x00a0 => 'nbsp', // \v 0x000a => 'LF', 0x000b => 'vertical tab', 0x000c => 'form feed', 0x000d => 'CR' ]; echo "hex\tdec\tdesc\tchr\tchr.utf8\n"; foreach($a as $code => $desc) { printf("%X\t%d\t%s: '%s'-'%s'\n", $code, $code, $desc, chr($code), utf8_encode(chr($code))); }

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)
8.3.110.0060.00320.94
8.3.100.0130.00324.06
8.3.90.0090.00926.77
8.3.80.0090.00016.63
8.3.70.0120.00618.43
8.3.60.0210.00018.43
8.3.50.0150.00521.99
8.3.40.0040.01118.67
8.3.30.0100.00319.14
8.3.20.0040.00420.13
8.3.10.0040.00421.90
8.3.00.0000.00822.34
8.2.230.0100.00722.58
8.2.220.0130.00337.54
8.2.210.0000.00826.77
8.2.200.0040.00418.54
8.2.190.0110.00316.88
8.2.180.0110.00718.41
8.2.170.0060.01322.96
8.2.160.0130.00622.21
8.2.150.0040.00425.66
8.2.140.0030.00524.66
8.2.130.0080.00026.16
8.2.120.0060.00319.13
8.2.110.0030.00622.24
8.2.100.0090.00317.60
8.2.90.0040.00419.22
8.2.80.0000.00817.97
8.2.70.0030.00617.63
8.2.60.0040.00418.05
8.2.50.0050.00318.07
8.2.40.0080.00019.38
8.2.30.0040.00417.94
8.2.20.0030.00617.76
8.2.10.0050.00318.18
8.2.00.0000.00718.00
8.1.290.0030.00630.84
8.1.280.0110.00425.92
8.1.270.0000.00820.20
8.1.260.0070.00026.35
8.1.250.0000.00828.09
8.1.240.0100.00023.98
8.1.230.0000.01117.48
8.1.220.0090.00017.79
8.1.210.0030.00618.77
8.1.200.0000.00917.35
8.1.190.0040.00417.13
8.1.180.0000.00818.10
8.1.170.0040.00418.61
8.1.160.0000.00822.00
8.1.150.0070.00018.88
8.1.140.0070.00017.42
8.1.130.0080.00317.69
8.1.120.0040.00417.47
8.1.110.0000.00717.48
8.1.100.0000.00717.34
8.1.90.0040.00417.46
8.1.80.0050.00217.45
8.1.70.0000.00917.46
8.1.60.0090.00017.44
8.1.50.0050.00317.53
8.1.40.0030.00617.54
8.1.30.0040.00417.69
8.1.20.0030.00617.67
8.1.10.0050.00317.42
8.1.00.0080.00017.47
8.0.300.0050.00218.77
8.0.290.0030.00316.75
8.0.280.0000.00718.40
8.0.270.0070.00017.32
8.0.260.0030.00317.26
8.0.250.0030.00316.98
8.0.240.0040.00416.94
8.0.230.0000.00716.99
8.0.220.0040.00416.91
8.0.210.0040.00416.89
8.0.200.0040.00416.84
8.0.190.0030.00516.86
8.0.180.0000.00716.87
8.0.170.0040.00416.94
8.0.160.0080.00016.68
8.0.150.0070.00016.71
8.0.140.0000.00716.68
8.0.130.0000.00613.32
8.0.120.0080.00016.81
8.0.110.0070.00016.96
8.0.100.0040.00416.82
8.0.90.0000.00716.95
8.0.80.0090.01216.84
8.0.70.0040.00416.96
8.0.60.0040.00416.85
8.0.50.0070.00016.68
8.0.30.0100.00516.99
8.0.20.0110.00817.41
8.0.10.0000.00716.80
8.0.00.0060.01216.84
7.4.330.0030.00315.04
7.4.320.0000.00616.61
7.4.300.0020.00516.36
7.4.290.0030.00316.57
7.4.280.0040.00416.60
7.4.270.0000.00716.61
7.4.260.0000.00716.63
7.4.250.0040.00416.46
7.4.240.0030.00316.45
7.4.230.0000.00716.50
7.4.220.0130.00916.35
7.4.210.0030.01216.62
7.4.200.0000.00816.32
7.4.160.0080.00816.54
7.4.150.0080.00917.40
7.4.140.0150.01017.86
7.4.130.0100.00816.43
7.4.120.0050.01216.55
7.4.110.0030.01416.48
7.4.100.0120.00916.32
7.4.90.0090.00916.62
7.4.80.0140.00719.39
7.4.70.0030.01516.43
7.4.60.0090.01516.34
7.4.50.0090.00016.48
7.4.40.0030.01316.42
7.4.30.0070.01116.33
7.4.00.0070.01015.04
7.3.330.0030.00312.99
7.3.320.0030.00313.11
7.3.310.0000.00716.23
7.3.300.0000.00716.25
7.3.290.0000.00716.25
7.3.280.0060.01116.31
7.3.270.0100.00717.40
7.3.260.0110.01116.25
7.3.250.0160.00616.46
7.3.240.0140.00316.59
7.3.230.0170.00716.44
7.3.210.0030.01416.22
7.3.200.0100.00619.39
7.3.190.0070.01016.31
7.3.180.0090.01216.59
7.3.170.0060.01216.55
7.3.160.0090.00916.48
7.3.10.0070.00716.43
7.3.00.0080.00616.28
7.2.330.0130.00416.61
7.2.320.0090.00916.68
7.2.310.0110.01116.75
7.2.300.0110.00716.52
7.2.290.0070.01016.36
7.2.130.0120.00416.47
7.2.120.0160.00316.34
7.2.110.0080.00416.41
7.2.100.0130.00016.65
7.2.90.0080.00816.93
7.2.80.0090.00616.83
7.2.70.0150.00016.62
7.2.60.0100.00916.50
7.2.50.0060.01316.14
7.2.40.0040.01116.75
7.2.30.0030.00916.75
7.2.20.0060.00616.65
7.2.10.0050.00616.85
7.2.00.0030.00917.07
7.1.250.0110.00815.34
7.1.200.0060.00615.84
7.1.70.0090.00916.89
7.1.60.0100.01619.59
7.1.50.0120.01216.93
7.1.00.0000.08022.40
7.0.200.0540.00414.59
7.0.60.0170.07320.02
7.0.50.0070.08317.88
7.0.40.0070.04320.30
7.0.30.0570.04020.09
7.0.20.0300.08020.00
7.0.10.0270.06320.12
7.0.00.0000.04720.09
5.6.280.0100.06020.91
5.6.210.0070.04020.45
5.6.200.0070.08018.26
5.6.190.0070.04320.45
5.6.180.4930.04320.39
5.6.170.0370.07720.71
5.6.160.0030.04320.50
5.6.150.0070.03718.18
5.6.140.0130.03718.09
5.6.130.0070.08018.17
5.6.120.0070.08020.89
5.6.110.0070.04021.11
5.6.100.0030.04020.88
5.6.90.0230.05320.88
5.6.80.0030.05720.50
5.6.70.0370.06020.35
5.5.350.0230.08020.33
5.5.340.0070.08017.90
5.5.330.0100.08020.07
5.5.320.0430.07320.29
5.5.310.0230.03720.34
5.5.300.0170.06717.96
5.5.290.0030.08718.01
5.5.280.0030.06020.89
5.5.270.0100.08020.86
5.5.260.0030.08720.78
5.5.250.0100.07720.65
5.5.240.0270.07320.25
5.4.450.0630.06019.57
5.4.440.0270.06019.44
5.4.430.0070.05719.48
5.4.420.0200.05719.21
5.4.410.0670.05319.09
5.4.400.0600.04719.29
5.4.390.0530.05319.20
5.4.380.0530.05319.00
5.4.370.0400.05319.31
5.4.360.0530.06019.01
5.4.350.0500.05018.95
5.4.340.0530.05719.09
5.4.320.0570.06018.84
5.4.310.0630.05318.84
5.4.300.0670.05018.93
5.4.290.0800.03719.22
5.4.280.0630.06019.25
5.4.270.0570.05319.10
5.4.260.0770.05019.10
5.4.250.0570.05719.20
5.4.240.0600.05718.83
5.4.230.0700.05019.21
5.4.220.0530.05719.09
5.4.210.0630.05318.92
5.4.200.0700.06316.80
5.4.190.0830.05018.99
5.4.180.0530.04719.05
5.4.170.0600.04319.27
5.4.160.0430.06018.90
5.4.150.0700.05018.90
5.4.140.0330.04716.42
5.4.130.0130.04716.38
5.4.120.0100.06716.22
5.4.110.0670.05016.51
5.4.100.0470.05716.41
5.4.90.0770.04016.51
5.4.80.0700.04016.49
5.4.70.0600.05016.40
5.4.60.0600.05716.16
5.4.50.0670.04716.04
5.4.40.0730.04016.19
5.4.30.0600.05016.48
5.4.20.0570.05716.48
5.4.10.0630.06016.16
5.4.00.0670.04715.99
5.3.290.0600.06314.46
5.3.280.0630.04014.61
5.3.270.0600.06314.50
5.3.260.0530.06014.50
5.3.250.0700.04314.62
5.3.240.0600.05314.45
5.3.230.0600.05314.51
5.3.220.0600.05314.39
5.3.210.0630.05314.57
5.3.200.0630.05314.51
5.3.190.0700.05014.48
5.3.180.0700.05314.36
5.3.170.0630.05014.40
5.3.160.0870.04714.59
5.3.150.0570.04714.51
5.3.140.0600.05314.57
5.3.130.0630.05314.48
5.3.120.0630.04314.46
5.3.110.0500.05014.40
5.3.100.0530.04313.89
5.3.90.0600.05013.95
5.3.80.0500.04714.02
5.3.70.0600.05313.89
5.3.60.0570.04313.92
5.3.50.0430.05313.77
5.3.40.0600.03713.77
5.3.30.0500.04713.94
5.3.20.0430.05013.55
5.3.10.0670.04313.59
5.3.00.0630.04713.47
5.2.170.0630.04711.14
5.2.160.0430.04310.99
5.2.150.0430.05011.09
5.2.140.0500.04011.13
5.2.130.0530.04010.95
5.2.120.0530.03711.04
5.2.110.0530.04011.14
5.2.100.0570.03711.14
5.2.90.0530.03310.89
5.2.80.0630.04710.94
5.2.70.0370.04711.09
5.2.60.0430.04711.10
5.2.50.0370.04310.85
5.2.40.0400.03710.82
5.2.30.0230.05010.91
5.2.20.0430.03310.79
5.2.10.0330.05010.84
5.2.00.0470.04710.63
5.1.60.0330.0309.96
5.1.50.0530.02710.06
5.1.40.0330.0309.89
5.1.30.0370.03010.38
5.1.20.0400.02710.38
5.1.10.0430.03310.12
5.1.00.0400.04010.04
5.0.50.0330.0278.52
5.0.40.0370.0338.32
5.0.30.0230.0538.26
5.0.20.0330.0238.11
5.0.10.0170.0308.04
5.0.00.0270.0338.07
4.4.90.0200.0205.86
4.4.80.0170.0235.77
4.4.70.0130.0275.81
4.4.60.0130.0235.86
4.4.50.0130.0235.87
4.4.40.0170.0335.79
4.4.30.0130.0235.84
4.4.20.0100.0235.95
4.4.10.0100.0275.80
4.4.00.0170.0305.84
4.3.110.0170.0335.82
4.3.100.0270.0175.70
4.3.90.0200.0205.80
4.3.80.0270.0335.67
4.3.70.0200.0235.68
4.3.60.0200.0205.80
4.3.50.0200.0205.79
4.3.40.0200.0335.74
4.3.30.0170.0174.52
4.3.20.0100.0204.40
4.3.10.0100.0274.48
4.3.00.0070.0277.29

preferences:
15.67 ms | 403 KiB | 5 Q