3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = ' '; echo isset($a);

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)
8.3.60.0100.00716.50
8.3.50.0100.00522.92
8.3.40.0110.00418.59
8.3.30.0070.00718.89
8.3.20.0040.00420.25
8.3.10.0060.00323.33
8.3.00.0050.00319.25
8.2.180.0040.01518.29
8.2.170.0110.00322.96
8.2.160.0100.00320.57
8.2.150.0040.00424.18
8.2.140.0040.00424.66
8.2.130.0040.00426.16
8.2.120.0090.00020.93
8.2.110.0030.00622.29
8.2.100.0000.01219.45
8.2.90.0070.00019.05
8.2.80.0030.00517.97
8.2.70.0030.00617.63
8.2.60.0000.00817.80
8.2.50.0050.00318.07
8.2.40.0000.00817.94
8.2.30.0040.00418.06
8.2.20.0070.00017.55
8.2.10.0030.00518.03
8.2.00.0030.00617.61
8.1.280.0070.00725.92
8.1.270.0070.00722.07
8.1.260.0040.00426.35
8.1.250.0040.00428.09
8.1.240.0000.00923.83
8.1.230.0030.00719.00
8.1.220.0060.00317.74
8.1.210.0050.00318.77
8.1.200.0030.00717.35
8.1.190.0000.00817.11
8.1.180.0060.00318.10
8.1.170.0000.00818.50
8.1.160.0000.00821.82
8.1.150.0060.00318.67
8.1.140.0000.00717.37
8.1.130.0000.00717.77
8.1.120.0000.00717.39
8.1.110.0030.00517.37
8.1.100.0000.00717.37
8.1.90.0030.00317.41
8.1.80.0070.00017.28
8.1.70.0030.00517.33
8.1.60.0040.00717.40
8.1.50.0030.00617.44
8.1.40.0040.00417.33
8.1.30.0030.00517.62
8.1.20.0040.00417.55
8.1.10.0000.00717.39
8.1.00.0060.00317.43
8.0.300.0000.00818.77
8.0.290.0080.00016.63
8.0.280.0030.00318.54
8.0.270.0050.00217.17
8.0.260.0000.00817.16
8.0.250.0060.00017.00
8.0.240.0000.00716.90
8.0.230.0000.00816.87
8.0.220.0030.00316.82
8.0.210.0030.00316.66
8.0.200.0030.00316.81
8.0.190.0080.00016.85
8.0.180.0030.00616.75
8.0.170.0000.00816.85
8.0.160.0030.00316.81
8.0.150.0000.00816.70
8.0.140.0000.00816.78
8.0.130.0030.00313.25
8.0.120.0040.00416.72
8.0.110.0040.00416.80
8.0.100.0000.00716.80
8.0.90.0040.00416.85
8.0.80.0050.00616.83
8.0.70.0000.00716.71
8.0.60.0040.00416.66
8.0.50.0080.00016.81
8.0.30.0080.00716.84
8.0.20.0080.00817.19
8.0.10.0030.00617.04
8.0.00.0080.00616.76
7.4.330.0050.00015.03
7.4.320.0000.00616.48
7.4.300.0000.00616.52
7.4.290.0070.00016.44
7.4.280.0060.00016.31
7.4.270.0000.00716.58
7.4.260.0070.00016.52
7.4.250.0040.00416.51
7.4.240.0040.00316.36
7.4.230.0030.00316.52
7.4.220.0070.00616.52
7.4.210.0070.00716.63
7.4.200.0050.00216.53
7.4.190.0050.00216.70
7.4.180.0040.00416.33
7.4.160.0050.00816.49
7.4.150.0040.00816.84
7.4.140.0110.00417.33
7.4.130.0100.00416.31
7.4.120.0060.00716.40
7.4.110.0080.00516.47
7.4.100.0080.00416.47
7.4.90.0030.01016.33
7.4.80.0040.01117.89
7.4.70.0030.00916.35
7.4.60.0060.00616.41
7.4.50.0010.00616.50
7.4.40.0110.00416.51
7.4.30.0060.00516.37
7.4.20.0000.00716.27
7.4.10.0040.00416.50
7.4.00.0030.00915.39
7.3.330.0020.00213.11
7.3.320.0060.00013.02
7.3.310.0030.00316.19
7.3.300.0000.00816.11
7.3.290.0030.00716.14
7.3.280.0070.00916.10
7.3.270.0050.00816.73
7.3.260.0080.00416.28
7.3.250.0060.00716.20
7.3.240.0040.00916.26
7.3.230.0070.00516.21
7.3.220.0040.00416.04
7.3.210.0090.00516.06
7.3.200.0050.00717.65
7.3.190.0060.00916.07
7.3.180.0070.00516.22
7.3.170.0080.00316.18
7.3.160.0090.00216.11
7.3.150.0020.00516.01
7.3.140.0030.00316.09
7.3.130.0070.00016.05
7.3.120.0070.00715.34
7.3.110.0080.00515.25
7.3.100.0050.00815.34
7.3.90.0070.00515.47
7.3.80.0050.00515.39
7.3.70.0030.00615.41
7.3.60.0050.00515.36
7.3.50.0020.00915.39
7.3.40.0080.00315.41
7.3.30.0050.00515.37
7.3.20.0050.00517.31
7.3.10.0060.00517.32
7.3.00.0050.00517.22
7.2.340.0070.00016.21
7.2.330.0090.00316.29
7.2.320.0050.00716.18
7.2.310.0050.00716.35
7.2.300.0080.00716.28
7.2.290.0080.00316.36
7.2.280.0030.00316.23
7.2.270.0070.00016.21
7.2.260.0000.00816.11
7.2.250.0080.00515.48
7.2.240.0050.01015.38
7.2.230.0050.00715.54
7.2.220.0060.00815.52
7.2.210.0080.00215.39
7.2.200.0060.00515.61
7.2.190.0050.00315.65
7.2.180.0050.00615.65
7.2.170.0040.00515.67
7.2.160.0000.00716.48
7.2.150.0030.00318.16
7.2.140.0040.00418.35
7.2.130.0030.00318.50
7.2.120.0040.00418.29
7.2.110.0000.00718.42
7.2.100.0000.00718.25
7.2.90.0030.00318.32
7.2.80.0040.00418.36
7.2.70.0040.00418.31
7.2.60.0000.00718.23
7.2.50.0000.00718.30
7.2.40.0070.00018.30
7.2.30.0000.00818.20
7.2.20.0000.00718.31
7.2.10.0000.00718.36
7.2.00.0040.00618.82
7.1.330.0040.00616.30
7.1.320.0060.00316.35
7.1.310.0060.00616.38
7.1.300.0070.00416.42
7.1.290.0060.00616.46
7.1.280.0080.00316.34
7.1.270.0020.00916.50
7.1.260.0020.00816.47
7.1.250.0040.00217.14
7.1.240.0070.00016.93
7.1.230.0030.00317.20
7.1.220.0000.00617.04
7.1.210.0030.00316.99
7.1.200.0030.00317.18
7.1.190.0000.00717.22
7.1.180.0000.00617.16
7.1.170.0030.00317.08
7.1.160.0000.00617.04
7.1.150.0000.00717.04
7.1.140.0000.00617.15
7.1.130.0000.00717.15
7.1.120.0000.00716.99
7.1.110.0030.00317.12
7.1.100.0030.00617.55
7.1.90.0030.00316.91
7.1.80.0030.00317.13
7.1.70.0030.00316.95
7.1.60.0050.01018.27
7.1.50.0030.01216.97
7.1.40.0000.00717.04
7.1.30.0000.00617.16
7.1.20.0030.00316.98
7.1.10.0030.00317.05
7.1.00.0030.03819.62
7.0.330.0000.00716.76
7.0.320.0030.00316.85
7.0.310.0060.00016.89
7.0.300.0070.00016.70
7.0.290.0030.00316.86
7.0.280.0070.00016.85
7.0.270.0000.00716.67
7.0.260.0070.00016.89
7.0.250.0040.00417.08
7.0.240.0030.00317.02
7.0.230.0030.00316.99
7.0.220.0030.00317.00
7.0.210.0000.00716.90
7.0.200.0050.00616.90
7.0.190.0000.00717.04
7.0.180.0030.00316.84
7.0.170.0000.00616.91
7.0.160.0060.00016.93
7.0.150.0000.00616.94
7.0.140.0020.03719.48
7.0.130.0030.00316.79
7.0.120.0020.00517.02
7.0.110.0070.00016.76
7.0.100.0000.00716.91
7.0.90.0040.00416.79
7.0.80.0000.00816.69
7.0.70.0000.00716.82
7.0.60.0070.02018.40
7.0.50.0090.02317.34
7.0.40.0020.02518.48
7.0.30.0130.02318.51
7.0.20.0130.02518.44
7.0.10.0030.03518.46
7.0.00.0020.04818.52
5.6.400.0000.00715.58
5.6.390.0020.00515.66
5.6.380.0000.00615.77
5.6.370.0000.00615.83
5.6.360.0060.00015.81
5.6.350.0000.00615.85
5.6.340.0060.00015.85
5.6.330.0070.00015.79
5.6.320.0000.00715.83
5.6.310.0030.00315.82
5.6.300.0030.00315.46
5.6.290.0030.00315.61
5.6.280.0030.03818.37
5.6.270.0000.00715.88
5.6.260.0060.00015.82
5.6.250.0000.00715.77
5.6.240.0060.00015.93
5.6.230.0000.00715.82
5.6.220.0030.00315.75
5.6.210.0030.02218.25
5.6.200.0050.03617.00
5.6.190.0050.02218.17
5.6.180.0130.04318.18
5.6.170.0120.04518.11
5.6.160.0080.04018.10
5.6.150.0020.03716.92
5.6.140.0030.03416.84
5.6.130.0040.04316.89
5.6.120.0070.04218.42
5.6.110.0050.02218.33
5.6.100.0100.03318.26
5.6.90.0120.03718.46
5.6.80.0050.03318.06
5.6.70.0060.00015.76
5.6.60.0000.00715.90
5.6.50.0060.00015.64
5.6.40.0000.00715.73
5.6.30.0060.00015.60
5.6.20.0000.00715.63
5.6.10.0000.00715.59
5.6.00.0030.00315.58
5.5.380.0030.00315.52
5.5.370.0030.00315.86
5.5.360.0030.00315.53
5.5.350.0120.04017.96
5.5.340.0120.02816.77
5.5.330.0050.02717.93
5.5.320.0160.03718.10
5.5.310.0270.03518.00
5.5.300.0030.04216.78
5.5.290.0060.04116.64
5.5.280.0070.02518.14
5.5.270.0100.04218.17
5.5.260.0100.03318.17
5.5.250.0050.02818.07
5.5.240.0050.04017.88
5.5.230.0040.00415.70
5.5.220.0030.00315.46
5.5.210.0030.00315.67
5.5.200.0000.00615.61
5.5.190.0060.00015.61
5.5.180.0000.00715.52
5.5.170.0000.00615.30
5.5.160.0070.00015.52
5.5.150.0030.00315.62
5.5.140.0050.00315.59
5.5.130.0030.00315.55
5.5.120.0000.00715.40
5.5.110.0060.00015.35
5.5.100.0030.00315.59
5.5.90.0070.00015.73
5.5.80.0030.00315.50
5.5.70.0030.00315.52
5.5.60.0030.00315.40
5.5.50.0070.00015.63
5.5.40.0000.00615.58
5.5.30.0000.00615.46
5.5.20.0030.00315.63
5.5.10.0030.00315.45
5.5.00.0030.00315.50
5.4.450.0120.02415.91
5.4.440.0130.02615.95
5.4.430.0070.02715.96
5.4.420.0160.02415.85
5.4.410.0180.02315.94
5.4.400.0230.02315.70
5.4.390.0400.02115.78
5.4.380.0170.02615.50
5.4.370.0160.02815.57
5.4.360.0110.03115.54
5.4.350.0130.03215.56
5.4.340.0150.03215.43
5.4.330.0000.00512.52
5.4.320.0050.01812.50
5.4.310.0020.02212.57
5.4.300.0040.01812.48
5.4.290.0030.02012.57
5.4.280.0040.02012.45
5.4.270.0080.01612.41
5.4.260.0050.02012.40
5.4.250.0050.01912.37
5.4.240.0020.02112.40
5.4.230.0070.01812.34
5.4.220.0050.01812.32
5.4.210.0070.02012.39
5.4.200.0040.02312.32
5.4.190.0060.01812.38
5.4.180.0040.01912.28
5.4.170.0020.02012.35
5.4.160.0040.02112.24
5.4.150.0060.01812.42
5.4.140.0020.02512.26
5.4.130.0020.02112.20
5.4.120.0060.01712.24
5.4.110.0070.03112.20
5.4.100.0090.02912.21
5.4.90.0100.04012.19
5.4.80.0090.02312.17
5.4.70.0050.02312.27
5.4.60.0120.03612.14
5.4.50.0090.06112.07
5.4.40.0070.03212.15
5.4.30.0110.04012.19
5.4.20.0070.03212.17
5.4.10.0070.02912.13
5.4.00.0070.02511.89

preferences:
41.75 ms | 401 KiB | 5 Q