3v4l.org

run code in 300+ PHP versions simultaneously
<?php $string = 'Hello world'; if (ctype_alnum($string)) { echo "This string totally works"; } else { echo "And this one not so much"; }

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)
8.3.40.0130.00618.51
8.3.30.0040.01119.07
8.3.20.0000.00720.34
8.3.10.0120.00323.46
8.3.00.0080.00819.13
8.2.170.0070.00722.96
8.2.160.0130.00720.35
8.2.150.0040.00424.18
8.2.140.0030.00624.66
8.2.130.0000.01526.16
8.2.120.0060.00322.08
8.2.110.0060.00322.21
8.2.100.0030.00917.87
8.2.90.0020.00519.05
8.2.80.0080.00017.97
8.2.70.0060.00317.50
8.2.60.0020.00517.80
8.2.50.0050.00318.07
8.2.40.0000.00918.34
8.2.30.0030.00517.91
8.2.20.0040.00417.49
8.2.10.0000.00818.00
8.2.00.0050.00217.62
8.1.270.0060.00923.88
8.1.260.0080.00026.35
8.1.250.0030.00528.09
8.1.240.0100.00023.86
8.1.230.0030.00718.96
8.1.220.0040.00417.74
8.1.210.0050.00318.77
8.1.200.0100.00017.22
8.1.190.0040.00417.51
8.1.180.0000.00818.10
8.1.170.0000.00818.46
8.1.160.0030.00322.00
8.1.150.0070.00018.55
8.1.140.0040.00417.38
8.1.130.0040.00419.18
8.1.120.0000.00717.34
8.1.110.0070.00017.29
8.1.100.0040.00417.37
8.1.90.0000.00717.43
8.1.80.0000.00717.36
8.1.70.0030.00317.26
8.1.60.0050.00217.40
8.1.50.0050.00317.45
8.1.40.0040.00417.33
8.1.30.0000.00817.57
8.1.20.0000.00717.61
8.1.10.0040.00417.42
8.1.00.0000.00817.46
8.0.300.0070.00018.77
8.0.290.0030.00317.18
8.0.280.0030.00518.38
8.0.270.0070.00017.19
8.0.260.0030.00316.73
8.0.250.0000.00716.87
8.0.240.0100.00016.80
8.0.230.0040.00416.89
8.0.220.0030.00316.74
8.0.210.0000.00816.78
8.0.200.0000.00716.93
8.0.190.0000.00716.95
8.0.180.0050.00316.78
8.0.170.0000.00716.87
8.0.160.0070.00016.96
8.0.150.0000.00916.74
8.0.140.0070.00416.76
8.0.130.0000.00513.22
8.0.120.0080.00016.77
8.0.110.0040.00416.80
8.0.100.0030.00616.80
8.0.90.0050.00216.89
8.0.80.0060.00916.79
8.0.70.0040.00416.89
8.0.60.0040.00416.70
8.0.50.0050.00316.81
8.0.30.0100.00717.01
8.0.20.0110.01017.40
8.0.10.0000.00716.99
8.0.00.0110.00716.70
7.4.330.0050.00015.13
7.4.320.0000.00816.42
7.4.300.0000.00716.53
7.4.290.0060.00616.55
7.4.280.0030.00716.45
7.4.270.0000.00716.46
7.4.260.0030.00316.35
7.4.250.0070.00016.30
7.4.240.0030.00516.52
7.4.230.0080.00016.53
7.4.220.0130.00316.55
7.4.210.0090.00716.51
7.4.200.0030.00316.34
7.4.190.0000.00716.42
7.4.160.0090.00616.32
7.4.150.0100.00717.40
7.4.140.0080.01017.86
7.4.130.0090.00816.22
7.4.120.0050.01116.45
7.4.110.0100.00616.42
7.4.100.0120.00416.50
7.4.90.0100.00716.56
7.4.80.0180.00319.39
7.4.70.0120.00316.32
7.4.60.0170.00716.30
7.4.50.0030.00516.38
7.4.40.0040.01222.77
7.4.30.0030.01316.43
7.4.00.0060.00914.74
7.3.330.0060.00012.94
7.3.320.0030.00313.08
7.3.310.0040.00416.23
7.3.300.0030.00316.12
7.3.290.0030.01216.17
7.3.280.0080.00716.12
7.3.270.0100.00717.40
7.3.260.0140.00416.22
7.3.250.0100.01216.48
7.3.240.0140.01116.29
7.3.230.0070.01416.39
7.3.210.0070.01116.42
7.3.200.0100.00616.13
7.3.190.0160.00816.21
7.3.180.0100.00616.38
7.3.170.0000.01616.27
7.3.160.0100.00616.27
7.3.120.0040.01114.39
7.2.330.0150.00316.25
7.2.320.0130.00316.64
7.2.310.0130.00316.37
7.2.300.0030.01416.21
7.2.290.0090.01316.17
7.1.70.0000.01016.80
7.1.60.0100.01319.33
7.1.50.0130.00716.94
7.1.00.0070.07322.51
7.0.200.0100.00016.52
7.0.140.0000.07722.04
7.0.100.0170.04719.93
7.0.90.0070.04719.93
7.0.80.0070.06019.87
7.0.70.0170.03319.88
7.0.60.0100.03719.88
7.0.50.0100.03720.16
7.0.40.0000.05020.13
7.0.30.0030.03320.18
7.0.20.0030.03720.18
7.0.10.0070.04020.18
7.0.00.0000.03720.13
5.6.280.0000.07721.03
5.6.250.0130.06020.53
5.6.240.0070.08020.75
5.6.230.0070.07320.50
5.6.220.0030.04320.70
5.6.210.0130.03320.60
5.6.200.0170.03321.11
5.6.190.0030.04021.08
5.6.180.0030.03321.05
5.6.170.0030.04021.01
5.6.160.0030.04321.01
5.6.150.0100.03021.00
5.6.140.0030.04321.10
5.6.130.0100.03020.94
5.6.120.0070.03321.04
5.6.110.0000.04721.09
5.6.100.0030.04721.02
5.6.90.0100.03720.98
5.6.80.0130.03020.31
5.6.70.0070.03320.39
5.6.60.0030.04320.45
5.6.50.0100.03020.33
5.6.40.0030.03320.45
5.6.30.0030.03320.41
5.6.20.0030.03320.28
5.6.10.0030.03320.45
5.6.00.0030.03720.36
5.5.380.0130.04020.36
5.5.370.0100.07020.38
5.5.360.0100.04020.37
5.5.350.0070.04320.32
5.5.340.0000.04320.77
5.5.330.0000.04720.90
5.5.320.0070.03020.92
5.5.310.0070.03020.91
5.5.300.0070.03020.72
5.5.290.0070.03020.89
5.5.280.0030.04320.82
5.5.270.0100.03320.77
5.5.260.0070.03320.81
5.5.250.0100.03020.73
5.5.240.0030.04020.21
5.5.230.0030.03320.30
5.5.220.0030.04020.27
5.5.210.0100.03720.26
5.5.200.0000.03720.21
5.5.190.0030.05320.27
5.5.180.0070.03720.16
5.5.160.0030.04720.07
5.5.150.0030.03720.20
5.5.140.0030.03720.13
5.5.130.0070.06020.07
5.5.120.0030.04320.20
5.5.110.0130.07019.97
5.5.100.0030.08020.11
5.5.90.0100.07020.00
5.5.80.0070.05320.11
5.5.70.0030.07320.05
5.5.60.0100.06720.09
5.5.50.0030.05320.09
5.5.40.0070.06020.13
5.5.30.0170.07020.04
5.5.20.0000.05020.12
5.5.10.0030.04320.10
5.5.00.0000.08019.96
5.4.450.0000.04319.39
5.4.440.0070.05019.39
5.4.430.0030.03319.46
5.4.420.0030.03719.46
5.4.410.0100.03019.14
5.4.400.0000.03319.03
5.4.390.0070.03719.25
5.4.380.0000.03319.02
5.4.370.0000.04019.13
5.4.360.0000.03318.78
5.4.350.0030.03019.11
5.4.340.0030.03319.03
5.4.320.0000.04319.12
5.4.310.0030.03018.90
5.4.300.0000.03319.02
5.4.290.0100.07319.05
5.4.280.0070.07718.97
5.4.270.0030.03719.12
5.4.260.0070.03318.81
5.4.250.0030.05719.08
5.4.240.0200.05719.11
5.4.230.0070.06019.11
5.4.220.0130.04018.79
5.4.210.0030.04018.96
5.4.200.0000.04318.96
5.4.190.0130.02718.96
5.4.180.0030.07319.13
5.4.170.0130.06319.11
5.4.160.0100.06018.88
5.4.150.0070.06019.12
5.4.140.0030.07316.09
5.4.130.0000.04716.26
5.4.120.0000.04716.32
5.4.110.0030.07316.34
5.4.100.0100.05016.26
5.4.90.0000.07016.27
5.4.80.0100.04716.41
5.4.70.0030.07716.29
5.4.60.0030.04316.28
5.4.50.0000.04316.18
5.4.40.0070.03316.29
5.4.30.0030.08016.27
5.4.20.0030.05016.41
5.4.10.0070.04716.38
5.4.00.0070.07315.80
5.3.290.0030.03014.52
5.3.280.0030.06714.56
5.3.270.0000.05314.46
5.3.260.0070.06314.56
5.3.250.0030.04314.51
5.3.240.0100.07314.56
5.3.230.0100.07014.60
5.3.220.0070.04014.39
5.3.210.0030.06314.51
5.3.200.0100.04014.54
5.3.190.0130.07014.47
5.3.180.0070.07714.57
5.3.170.0000.04714.55
5.3.160.0000.05314.46
5.3.150.0070.03314.55
5.3.140.0030.07714.38
5.3.130.0100.07314.55
5.3.120.0100.07314.48
5.3.110.0030.07314.50
5.3.100.0070.06714.02
5.3.90.0100.07314.00
5.3.80.0030.06013.84
5.3.70.0100.05714.00
5.3.60.0070.07013.91
5.3.50.0130.06713.79
5.3.40.0070.07013.95
5.3.30.0070.04013.76
5.3.20.0030.07713.66
5.3.10.0030.07013.52
5.3.00.0100.07013.49
5.2.170.0130.05311.11
5.2.160.0030.07311.11
5.2.150.0070.06311.11
5.2.140.0070.05711.11
5.2.130.0070.03311.11
5.2.120.0030.05711.11
5.2.110.0100.05711.11
5.2.100.0030.06311.11
5.2.90.0030.06011.11
5.2.80.0030.06311.11
5.2.70.0030.06711.11
5.2.60.0070.02311.11
5.2.50.0070.05711.11
5.2.40.0070.06311.11
5.2.30.0030.03011.11
5.2.20.0170.05011.11
5.2.10.0070.05011.11
5.2.00.0100.03311.11
5.1.60.0070.04311.11
5.1.50.0000.03711.11
5.1.40.0000.03011.11
5.1.30.0000.05011.11
5.1.20.0100.05011.11
5.1.10.0030.02711.11
5.1.00.0130.04311.11
5.0.50.0000.04711.11
5.0.40.0070.02711.11
5.0.30.0030.06311.11
5.0.20.0030.03711.11
5.0.10.0030.02011.11
5.0.00.0000.07011.11
4.4.90.0030.03011.11
4.4.80.0000.03711.11
4.4.70.0030.03311.11
4.4.60.0030.03711.11
4.4.50.0000.01711.11
4.4.40.0030.05311.11
4.4.30.0030.02711.11
4.4.20.0000.02311.11
4.4.10.0000.01711.11
4.4.00.0000.02711.11
4.3.110.0070.03011.11
4.3.100.0030.02711.11
4.3.90.0100.02311.11
4.3.80.0030.05711.11
4.3.70.0000.02311.11
4.3.60.0030.03011.11
4.3.50.0000.03711.11
4.3.40.0000.04711.11
4.3.30.0000.03711.11
4.3.20.0030.03311.11
4.3.10.0030.02011.11
4.3.00.0000.03711.11

preferences:
38.58 ms | 400 KiB | 5 Q