3v4l.org

run code in 300+ PHP versions simultaneously
<?php $result = ''; echo "\0"; echo '\0'; echo NULL; echo "a"; for ($t=0; $t<128; $t++) $result .= "\\".chr($t); echo "strlen = ".strlen($result)."\n"; echo "Result = ".$result."\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)
8.3.60.0100.01018.43
8.3.50.0120.00721.98
8.3.40.0090.00618.82
8.3.30.0110.00319.08
8.3.20.0040.00420.37
8.3.10.0000.00721.95
8.3.00.0050.00222.32
8.2.180.0090.00616.50
8.2.170.0090.00622.96
8.2.160.0100.00718.77
8.2.150.0080.00024.18
8.2.140.0080.00024.66
8.2.130.0120.00326.16
8.2.120.0040.00419.48
8.2.110.0090.00021.90
8.2.100.0060.00617.72
8.2.90.0080.00019.25
8.2.80.0000.00818.05
8.2.70.0030.00617.50
8.2.60.0060.00318.03
8.2.50.0040.00418.07
8.2.40.0040.00418.34
8.2.30.0040.00418.11
8.2.20.0080.00017.59
8.2.10.0080.00019.47
8.2.00.0000.00717.61
8.1.280.0100.00325.92
8.1.270.0060.00322.01
8.1.260.0070.00026.35
8.1.250.0070.00028.09
8.1.240.0030.00623.98
8.1.230.0110.00019.04
8.1.220.0040.00417.74
8.1.210.0030.00618.77
8.1.200.0030.00717.35
8.1.190.0060.00317.30
8.1.180.0050.00318.10
8.1.170.0000.00818.41
8.1.160.0000.00722.02
8.1.150.0040.00418.63
8.1.140.0040.00417.45
8.1.130.0050.00217.81
8.1.120.0030.00617.48
8.1.110.0000.00717.45
8.1.100.0030.00317.50
8.1.90.0000.00717.49
8.1.80.0040.00317.36
8.1.70.0000.00817.48
8.1.60.0050.00317.58
8.1.50.0040.00417.57
8.1.40.0030.00517.43
8.1.30.0050.00217.64
8.1.20.0030.00517.61
8.1.10.0030.00517.38
8.1.00.0020.00517.29
8.0.300.0000.00718.77
8.0.290.0040.00417.16
8.0.280.0000.00718.41
8.0.270.0030.00317.25
8.0.260.0030.00316.82
8.0.250.0050.00316.86
8.0.240.0000.00716.86
8.0.230.0030.00316.84
8.0.220.0000.00716.86
8.0.210.0000.00816.90
8.0.200.0000.00616.81
8.0.190.0030.00816.85
8.0.180.0080.00016.82
8.0.170.0000.00916.96
8.0.160.0040.00416.87
8.0.150.0050.00316.77
8.0.140.0000.00816.89
8.0.130.0060.00013.28
8.0.120.0030.00516.86
8.0.110.0000.00716.86
8.0.100.0050.00216.83
8.0.90.0040.00416.91
8.0.80.0090.00916.77
8.0.70.0080.00016.78
8.0.60.0000.00716.89
8.0.50.0050.00316.70
8.0.30.0150.00816.96
8.0.20.0110.01317.40
8.0.10.0040.00417.02
8.0.00.0180.00316.71
7.4.330.0020.00215.00
7.4.320.0040.00416.55
7.4.300.0030.00316.44
7.4.290.0000.00716.45
7.4.280.0030.00316.43
7.4.270.0030.00316.52
7.4.260.0030.00316.50
7.4.250.0030.00516.41
7.4.240.0040.00416.42
7.4.230.0030.00316.61
7.4.220.0070.01016.56
7.4.210.0100.00716.45
7.4.200.0070.00016.34
7.4.190.0070.00016.35
7.4.160.0130.00316.62
7.4.150.0100.00717.40
7.4.140.0080.01017.86
7.4.130.0100.01116.37
7.4.120.0100.01016.50
7.4.110.0070.01516.55
7.4.100.0070.01416.36
7.4.90.0090.00916.55
7.4.80.0070.01019.39
7.4.70.0130.00316.41
7.4.60.0130.00616.46
7.4.50.0030.00516.47
7.4.40.0040.01122.77
7.4.30.0060.01016.49
7.4.00.0070.00815.17
7.3.330.0020.00213.03
7.3.320.0030.00313.12
7.3.310.0030.00316.16
7.3.300.0000.00716.24
7.3.290.0150.00016.50
7.3.280.0060.01116.32
7.3.270.0060.01217.40
7.3.260.0110.00616.58
7.3.250.0110.01016.51
7.3.240.0090.00916.55
7.3.230.0200.00416.39
7.3.210.0080.00816.32
7.3.200.0060.01219.39
7.3.190.0090.01216.65
7.3.180.0100.00616.44
7.3.170.0180.00316.59
7.3.160.0160.00016.43
7.3.120.0120.00315.03
7.3.00.0060.00616.57
7.2.330.0090.01216.66
7.2.320.0090.01416.77
7.2.310.0100.00616.71
7.2.300.0100.01316.80
7.2.290.0080.01216.55
7.2.130.0030.00716.79
7.2.120.0070.01016.94
7.2.110.0070.00716.93
7.2.100.0150.00316.95
7.2.90.0070.00716.93
7.2.80.0100.00617.02
7.2.70.0130.00016.94
7.2.60.0000.01717.09
7.2.50.0040.01116.86
7.2.40.0090.00316.95
7.2.30.0040.01116.73
7.2.20.0000.01416.66
7.2.10.0040.01416.98
7.2.00.0080.00818.14
7.1.250.0120.00315.57
7.1.240.0000.01615.71
7.1.230.0040.01115.60
7.1.220.0080.00415.82
7.1.210.0060.00315.82
7.1.200.0030.01115.89
7.1.190.0000.00915.98
7.1.180.0000.01515.62
7.1.170.0060.00915.75
7.1.160.0030.00915.87
7.1.150.0080.00415.83
7.1.140.0070.00715.94
7.1.130.0100.00315.94
7.1.120.0040.01115.88
7.1.110.0000.01015.70
7.1.100.0040.01016.88
7.1.90.0030.00716.02
7.1.80.0000.01515.87
7.1.70.0020.00816.52
7.1.60.0050.01417.88
7.1.50.0100.00816.44
7.1.40.0090.00315.68
7.1.30.0080.00015.51
7.1.20.0000.01415.77
7.1.10.0130.00015.95
7.1.00.0030.04219.18
7.0.330.0060.00615.17
7.0.320.0060.00315.54
7.0.310.0110.00015.54
7.0.300.0030.00715.29
7.0.290.0050.00515.42
7.0.280.0000.01215.60
7.0.270.0070.00715.52
7.0.260.0030.00715.20
7.0.250.0030.01015.40
7.0.240.0070.00715.47
7.0.230.0070.00715.54
7.0.220.0000.01315.46
7.0.210.0030.00715.43
7.0.200.0070.00716.08
7.0.190.0060.00615.42
7.0.180.0000.01015.40
7.0.170.0040.00415.37
7.0.160.0040.00415.33
7.0.150.0000.00815.39
7.0.140.0060.03818.81
7.0.130.0120.00315.44
7.0.120.0090.00615.36
7.0.110.0110.00415.34
7.0.100.0100.04017.64
7.0.90.0050.03917.79
7.0.80.0090.04217.70
7.0.70.0050.03817.76
7.0.60.0070.04117.64
7.0.50.0080.04317.92
7.0.40.0160.02316.81
7.0.30.0070.04316.82
7.0.20.0030.04516.81
7.0.10.0030.04616.71
7.0.00.0110.03816.71
5.6.380.0060.00614.39
5.6.370.0000.01414.71
5.6.360.0080.00814.66
5.6.350.0040.01114.75
5.6.340.0030.00914.63
5.6.330.0000.01414.32
5.6.320.0040.00714.33
5.6.310.0000.01114.59
5.6.300.0030.00914.08
5.6.290.0060.00614.28
5.6.280.0050.03617.70
5.6.270.0000.01214.27
5.6.260.0030.01014.43
5.6.250.0060.04317.58
5.6.240.0050.04517.51
5.6.230.0110.04217.54
5.6.220.0050.04017.57
5.6.210.0050.04817.40
5.6.200.0060.02817.73
5.6.190.0030.04717.71
5.6.180.0050.03117.65
5.6.170.0110.03217.52
5.6.160.0090.04017.67
5.6.150.0080.04717.62
5.6.140.0080.04617.78
5.6.130.0070.04717.68
5.6.120.0100.02617.57
5.6.110.0080.04017.77
5.6.100.0030.04817.77
5.6.90.0100.03817.82
5.6.80.0090.02517.23
5.6.70.0050.02717.26
5.6.60.0080.02017.34
5.6.50.0090.02517.30
5.6.40.0070.03417.40
5.6.30.0030.02917.38
5.6.20.0090.02217.37
5.6.10.0020.02717.45
5.6.00.0070.02717.30
5.5.380.0050.04015.90
5.5.370.0050.03115.72
5.5.360.0020.02515.60
5.5.350.0070.04215.83
5.5.340.0100.02015.98
5.5.330.0100.04015.85
5.5.320.0060.02815.79
5.5.310.0050.04216.02
5.5.300.0100.04015.94
5.5.290.0060.04015.87
5.5.280.0100.03816.08
5.5.270.0060.02915.97
5.5.260.0100.03915.95
5.5.250.0060.04515.82
5.5.240.0030.02915.60
5.5.230.0060.04015.63
5.5.220.0070.02015.77
5.5.210.0050.02515.77
5.5.200.0070.02215.73
5.5.190.0050.02115.76
5.5.180.0070.01815.63
5.5.170.0040.00811.10
5.5.160.0080.02615.63
5.5.150.0070.02115.55
5.5.140.0020.02415.60
5.5.130.0060.02115.54
5.5.120.0090.02715.60
5.5.110.0070.03315.70
5.5.100.0080.03915.48
5.5.90.0020.02215.57
5.5.80.0020.02515.50
5.5.70.0020.02515.60
5.5.60.0020.02515.54
5.5.50.0050.02215.46
5.5.40.0060.01815.47
5.5.30.0030.02315.61
5.5.20.0060.02115.37
5.5.10.0080.02915.61
5.5.00.0030.02215.57
5.4.450.0080.03715.06
5.4.440.0030.04315.28
5.4.430.0140.03515.08
5.4.420.0060.03315.31
5.4.410.0070.03315.04
5.4.400.0070.02014.89
5.4.390.0050.02214.93
5.4.380.0020.02414.96
5.4.370.0030.02314.91
5.4.360.0030.02414.96
5.4.350.0070.02215.08
5.4.340.0050.02015.02
5.4.330.0030.00310.93
5.4.320.0050.02214.92
5.4.310.0020.02814.95
5.4.300.0040.02214.98
5.4.290.0000.02614.99
5.4.280.0030.02315.02
5.4.270.0030.02415.13
5.4.260.0100.01715.00
5.4.250.0000.02515.01
5.4.240.0070.03215.15
5.4.230.0070.01815.00
5.4.220.0050.02215.01
5.4.210.0050.02215.21
5.4.200.0030.02014.93
5.4.190.0000.02514.91
5.4.180.0020.02415.01
5.4.170.0100.02514.88
5.4.160.0020.02315.13
5.4.150.0080.01814.95
5.4.140.0060.01913.57
5.4.130.0030.02013.38
5.4.120.0070.02013.64
5.4.110.0040.02113.56
5.4.100.0050.02013.67
5.4.90.0020.02213.61
5.4.80.0050.02013.71
5.4.70.0000.02413.76
5.4.60.0040.02113.57
5.4.50.0070.01813.73
5.4.40.0100.03713.66
5.4.30.0040.03913.57
5.4.20.0070.03813.70
5.4.10.0020.04013.69
5.4.00.0070.03713.35
5.3.290.0030.02112.63
5.3.280.0040.02212.48
5.3.270.0050.02812.47
5.3.260.0030.02212.57
5.3.250.0070.02012.55
5.3.240.0040.02012.53
5.3.230.0020.02312.43
5.3.220.0080.01712.38
5.3.210.0030.02112.40
5.3.200.0070.02212.28
5.3.190.0020.02312.42
5.3.180.0030.02212.48
5.3.170.0030.02212.55
5.3.160.0020.02312.48
5.3.150.0020.02512.54
5.3.140.0060.02512.47
5.3.130.0100.03012.42
5.3.120.0030.04012.42
5.3.110.0050.02612.55
5.3.100.0030.03412.23
5.3.90.0030.03812.20
5.3.80.0120.02212.25
5.3.70.0070.02312.17
5.3.60.0050.03412.22
5.3.50.0070.03012.16
5.3.40.0070.03412.09
5.3.30.0050.02512.18
5.3.20.0060.03811.86
5.3.10.0080.03511.95
5.3.00.0020.02711.88
5.2.170.0060.03110.48
5.2.160.0020.03210.47
5.2.150.0030.03310.45
5.2.140.0050.03010.56
5.2.130.0030.02510.53
5.2.120.0040.02910.53
5.2.110.0000.02410.50
5.2.100.0020.03310.53
5.2.90.0070.03310.46
5.2.80.0050.03210.56
5.2.70.0120.02710.53
5.2.60.0020.03410.46
5.2.50.0110.02310.41
5.2.40.0060.03410.38
5.2.30.0090.03310.38
5.2.20.0050.02510.45
5.2.10.0050.02310.34
5.2.00.0020.02610.33
5.1.60.0020.03010.01
5.1.50.0050.01710.01
5.1.40.0050.02710.01
5.1.30.0030.02910.12
5.1.20.0050.02810.22
5.1.10.0050.03010.05
5.1.00.0010.01510.04
5.0.50.0020.0249.18
5.0.40.0000.0179.22
5.0.30.0040.0279.18
5.0.20.0020.0299.18
5.0.10.0030.0189.18
5.0.00.0070.0329.18
4.4.90.0030.0179.18
4.4.80.0010.0119.18
4.4.70.0020.0179.18
4.4.60.0030.0119.18
4.4.50.0020.0209.18
4.4.40.0020.0289.18
4.4.30.0020.0179.18
4.4.20.0000.0139.18
4.4.10.0000.0139.18
4.4.00.0020.0269.18
4.3.110.0000.0239.18
4.3.100.0030.0159.18
4.3.90.0020.0189.18
4.3.80.0020.0169.18
4.3.70.0000.0189.18
4.3.60.0020.0189.18
4.3.50.0000.0129.18
4.3.40.0020.0129.18
4.3.30.0040.0089.18
4.3.20.0010.0159.18
4.3.10.0020.0129.18
4.3.00.0000.0219.18

preferences:
54.99 ms | 400 KiB | 5 Q