3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = "\n"; echo sha1($a)."\n"; $b = "\n "; echo sha1($b)."\n"; echo "111111111111111111\n"; $a = "\x34\x32\x2E"; echo $a."\n"; echo sha1($a)."\n"; echo strlen($a)."\n"; var_dump($a=="42")."\n"; $b = '\x34\x32\x2E'; echo $b."\n"; echo strlen($b)."\n"; var_dump($b=="42")."\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)
8.3.60.0110.00718.30
8.3.50.0100.00718.26
8.3.40.0110.00318.81
8.3.30.0000.01419.13
8.3.20.0040.00420.34
8.3.10.0050.00221.85
8.3.00.0040.00419.19
8.2.180.0120.00317.79
8.2.170.0170.00322.96
8.2.160.0170.00320.57
8.2.150.0040.00424.18
8.2.140.0080.00024.66
8.2.130.0050.00326.16
8.2.120.0100.00722.21
8.2.110.0070.00322.27
8.2.100.0090.00417.72
8.2.90.0040.00419.24
8.2.80.0040.00417.97
8.2.70.0060.00318.05
8.2.60.0040.00418.22
8.2.50.0040.00418.10
8.2.40.0040.00419.29
8.2.30.0070.00020.56
8.2.20.0000.00717.77
8.2.10.0080.00017.95
8.2.00.0030.00517.57
8.1.280.0090.00625.92
8.1.270.0030.00618.76
8.1.260.0030.00526.35
8.1.250.0050.00328.09
8.1.240.0030.00622.14
8.1.230.0000.01123.91
8.1.220.0080.00017.74
8.1.210.0050.00318.77
8.1.200.0040.00417.35
8.1.190.0100.00017.23
8.1.180.0040.00418.10
8.1.170.0060.00618.66
8.1.160.0080.00018.96
8.1.150.0000.00818.78
8.1.140.0000.00717.46
8.1.130.0030.00317.75
8.1.120.0000.00717.45
8.1.110.0040.00717.56
8.1.100.0000.00817.36
8.1.90.0050.00217.41
8.1.80.0040.00417.50
8.1.70.0070.00017.48
8.1.60.0000.00817.52
8.1.50.0000.00817.59
8.1.40.0000.00717.39
8.1.30.0060.00317.49
8.1.20.0000.00817.64
8.1.10.0040.00417.49
8.1.00.0000.00717.39
8.0.300.0050.00218.77
8.0.290.0030.00616.63
8.0.280.0000.00818.46
8.0.270.0030.00317.35
8.0.260.0000.00717.21
8.0.250.0030.00316.97
8.0.240.0000.00716.92
8.0.230.0030.00316.81
8.0.220.0000.00816.92
8.0.210.0000.00716.88
8.0.200.0030.00316.90
8.0.190.0030.00416.93
8.0.180.0100.00016.93
8.0.170.0040.00416.83
8.0.160.0030.00316.81
8.0.150.0080.00416.82
8.0.140.0050.00316.85
8.0.130.0000.00513.42
8.0.120.0020.00516.91
8.0.110.0050.00316.79
8.0.100.0080.00016.85
8.0.90.0040.00416.93
8.0.80.0130.00316.97
8.0.70.0020.00516.86
8.0.60.0070.00016.78
8.0.50.0040.00416.83
8.0.30.0150.00717.18
8.0.20.0100.01117.40
8.0.10.0070.00017.07
8.0.00.0130.00416.88
7.4.330.0000.00515.09
7.4.320.0000.00616.63
7.4.300.0000.00616.60
7.4.290.0000.00716.50
7.4.280.0040.00416.45
7.4.270.0000.00716.63
7.4.260.0030.00316.49
7.4.250.0040.00416.51
7.4.240.0050.00216.52
7.4.230.0030.00316.51
7.4.220.0120.00616.47
7.4.210.0140.00316.59
7.4.200.0050.00216.33
7.4.160.0060.00916.55
7.4.150.0120.00617.40
7.4.140.0120.00917.86
7.4.130.0090.01016.52
7.4.120.0080.01116.38
7.4.110.0060.01216.66
7.4.100.0120.00916.43
7.4.90.0140.00316.52
7.4.80.0030.01319.39
7.4.70.0030.01216.59
7.4.60.0100.00716.49
7.4.50.0040.00416.62
7.4.40.0090.00616.50
7.4.30.0100.00716.54
7.4.00.0040.01114.61
7.3.330.0000.00613.16
7.3.320.0070.00013.18
7.3.310.0030.00316.18
7.3.300.0070.00016.20
7.3.290.0070.00816.31
7.3.280.0080.00816.33
7.3.270.0080.01117.40
7.3.260.0130.00416.61
7.3.250.0100.00916.31
7.3.240.0060.01516.34
7.3.230.0120.00316.44
7.3.210.0040.01516.20
7.3.200.0090.00919.39
7.3.190.0060.01116.72
7.3.180.0110.01116.18
7.3.170.0130.00316.50
7.3.160.0040.01216.32
7.2.330.0120.00616.78
7.2.320.0070.01016.62
7.2.310.0070.01116.71
7.2.300.0080.01116.80
7.2.290.0070.01316.86
7.2.00.0080.00819.39
7.1.200.0090.00315.97
7.1.100.0000.01718.19
7.1.70.0030.00617.16
7.1.60.0130.01019.57
7.1.50.0100.01317.04
7.1.00.0070.07022.33
7.0.200.0070.00316.77
7.0.140.0030.06022.07
7.0.60.0070.08319.96
7.0.50.0170.07017.90
7.0.40.0100.08319.91
7.0.30.0630.06320.09
7.0.20.0300.07720.20
7.0.10.0230.05720.09
7.0.00.0070.09020.01
5.6.280.0000.07720.96
5.6.210.0030.04020.70
5.6.200.0100.07718.16
5.6.190.0030.09020.45
5.6.180.3530.05020.45
5.6.170.0130.04720.41
5.6.160.0100.06020.61
5.6.150.0100.03718.11
5.6.140.0100.07318.07
5.6.130.0100.07018.12
5.6.120.0030.05321.14
5.6.110.0030.08721.13
5.6.100.0030.08720.98
5.6.90.0070.08721.12
5.6.80.0130.06720.47
5.6.70.4570.04320.37
5.5.350.0200.07720.43
5.5.340.0000.04018.02
5.5.330.0070.08320.13
5.5.320.0500.06720.19
5.5.310.0230.05320.50
5.5.300.0100.04318.05
5.5.290.0030.08717.88
5.5.280.0130.08020.86
5.5.270.0000.06720.88
5.5.260.0070.04720.72
5.5.250.0030.04020.58
5.5.240.0170.05720.05
5.4.450.0130.05719.24
5.4.440.0170.06019.12
5.4.430.0130.06019.49
5.4.420.0130.05019.45
5.4.410.0100.05719.20
5.4.400.0170.04719.13
5.4.390.0200.04719.05
5.4.380.0200.05018.72
5.4.370.0230.05018.61
5.4.360.0370.03318.70
5.4.350.0130.05718.66
5.4.340.0300.05018.72
5.4.320.0270.04718.55
5.4.310.0230.04718.71
5.4.300.0200.05018.72
5.4.290.0170.06018.65
5.4.280.0200.05318.60
5.4.270.0200.05018.70
5.4.260.0300.04018.77
5.4.250.0230.05718.62
5.4.240.0270.04718.67
5.4.230.0300.04018.49
5.4.220.0170.07018.51
5.4.210.0270.05018.64
5.4.200.0170.05016.50
5.4.190.0170.05018.44
5.4.180.0230.04718.70
5.4.170.0170.05318.61
5.4.160.0130.05318.44
5.4.150.0200.05018.64
5.4.140.0130.05716.21
5.4.130.0200.04716.31
5.4.120.0170.04716.36
5.4.110.0130.05316.35
5.4.100.0130.06016.15
5.4.90.0270.05016.20
5.4.80.0100.06016.30
5.4.70.0230.05316.24
5.4.60.0130.05316.22
5.4.50.0100.05716.04
5.4.40.0230.04716.09
5.4.30.0170.05016.09
5.4.20.0200.05016.03
5.4.10.0200.04716.23
5.4.00.0130.05315.68
5.3.290.0200.05014.59
5.3.280.0170.05314.49
5.3.270.0130.06314.70
5.3.260.0170.06014.66
5.3.250.0270.04714.58
5.3.240.0130.05314.54
5.3.230.0200.05014.59
5.3.220.0130.06014.54
5.3.210.0230.04714.64
5.3.200.0100.05314.58
5.3.190.0130.05314.53
5.3.180.0200.04714.49
5.3.170.0200.04714.54
5.3.160.0200.04714.51
5.3.150.0100.05714.65
5.3.140.0170.05014.48
5.3.130.0130.05714.52
5.3.120.0170.05314.46
5.3.110.0200.05314.54
5.3.100.0170.05313.93
5.3.90.0130.06013.91
5.3.80.0130.05013.98
5.3.70.0170.05313.93
5.3.60.0130.05314.03
5.3.50.0200.04714.04
5.3.40.0100.05313.93
5.3.30.0170.05313.91
5.3.20.0070.05713.68
5.3.10.0170.04313.64
5.3.00.0270.04013.57
5.2.170.0170.03711.10
5.2.160.0100.04311.11
5.2.150.0130.04011.13
5.2.140.0130.04011.12
5.2.130.0170.04311.13
5.2.120.0170.03311.13
5.2.110.0200.03311.08
5.2.100.0070.04311.08
5.2.90.0130.04011.09
5.2.80.0130.04011.06
5.2.70.0170.03711.14
5.2.60.0100.06311.09
5.2.50.0230.04710.98
5.2.40.0200.04311.05
5.2.30.0130.04011.12
5.2.20.0070.04010.91
5.2.10.0130.03710.98
5.2.00.0100.04010.89
5.1.60.0100.03310.01
5.1.50.0130.03310.17
5.1.40.0100.03710.07
5.1.30.0170.05010.36
5.1.20.0130.04710.39
5.1.10.0130.03710.10
5.1.00.0130.03310.10
5.0.50.0070.0308.66
5.0.40.0100.0238.45
5.0.30.0030.0478.34
5.0.20.0030.0378.27
5.0.10.0070.0308.27
5.0.00.0030.0508.20
4.4.90.0030.0235.87
4.4.80.0100.0175.90
4.4.70.0070.0205.93
4.4.60.0000.0275.84
4.4.50.0100.0175.82
4.4.40.0070.0335.88
4.4.30.0100.0175.91
4.4.20.0030.0235.95
4.4.10.0030.0235.93
4.4.00.0030.0375.89
4.3.110.0170.0105.86
4.3.100.0100.0175.81
4.3.90.0070.0205.77
4.3.80.0030.0335.84
4.3.70.0030.0235.86
4.3.60.0100.0135.77
4.3.50.0070.0205.77
4.3.40.0070.0305.79
4.3.30.0000.0235.14
4.3.20.0070.0235.14
4.3.10.0000.0235.14
4.3.00.0100.02014.92

preferences:
48.49 ms | 400 KiB | 5 Q