3v4l.org

run code in 300+ PHP versions simultaneously
<?php echo isset(null);

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)
8.3.20.0110.00923.61
8.2.70.0030.00579.33
8.2.60.0120.00679.33
8.2.50.0090.00979.33
8.2.40.0130.00379.33
8.2.30.0080.00879.33
8.2.20.0110.00679.33
8.2.10.0070.00438.13
8.2.00.0120.00448.37
8.1.200.0080.00879.33
8.1.190.0110.00579.33
8.1.180.0170.00079.33
8.1.170.0120.00479.33
8.1.160.0150.00379.33
8.1.150.0120.00479.33
8.1.140.0120.00579.33
8.1.130.0070.00648.28
8.1.120.0130.00348.34
8.1.110.0130.00348.30
8.1.100.0150.00148.35
8.1.90.0130.00348.32
8.1.80.0110.00548.35
8.1.70.0130.00337.96
8.1.60.0140.00627.72
8.1.50.0130.00526.17
8.1.40.0160.00525.09
8.1.30.0140.00523.63
8.1.20.0150.00522.62
8.1.10.0140.00622.43
8.1.00.0140.00521.96
8.0.290.0090.00679.33
8.0.280.0050.01079.33
8.0.270.0100.00579.33
8.0.260.0080.00648.10
8.0.250.0100.00548.10
8.0.240.0100.00448.10
8.0.230.0130.00248.10
8.0.220.0080.00848.10
8.0.210.0100.00332.42
8.0.200.0100.00437.65
8.0.190.0140.00327.21
8.0.180.0120.00523.74
8.0.170.0120.00524.61
8.0.160.0130.00523.02
8.0.150.0130.00421.90
8.0.140.0120.00521.94
8.0.130.0120.00521.54
8.0.120.0110.00620.98
8.0.110.0120.00320.43
8.0.100.0110.00520.42
8.0.90.0110.00520.41
8.0.80.0110.00520.44
8.0.70.0120.00420.42
8.0.60.0120.00420.46
8.0.50.0110.00420.41
8.0.30.0100.00520.45
8.0.20.0120.00520.29
8.0.10.0110.00620.34
8.0.00.0090.00420.35
7.4.330.0100.00334.14
7.4.320.0130.00348.10
7.4.300.0110.00637.52
7.4.290.0110.00525.42
7.4.280.0130.00522.69
7.4.270.0160.00321.62
7.4.260.0130.00521.26
7.4.250.0160.00320.61
7.4.240.0140.00320.12
7.4.230.0120.00520.12
7.4.220.0090.00620.08
7.4.210.0110.00520.09
7.4.200.0120.00320.10
7.4.190.0110.00420.13
7.4.180.0110.00420.16
7.4.160.0110.00420.10
7.4.150.0090.00519.79
7.4.140.0090.00519.82
7.4.130.0090.00519.77
7.4.120.0100.00519.58
7.4.110.0080.00719.57
7.4.100.0080.00619.67
7.4.90.0100.00519.55
7.4.80.0090.00519.56
7.4.70.0100.00519.54
7.4.60.0090.00419.56
7.4.50.0070.00619.41
7.4.40.0080.00519.17
7.4.30.0070.00619.23
7.4.20.0090.00618.62
7.4.10.0090.00718.71
7.4.00.0080.00718.76
7.3.330.0150.00421.04
7.3.320.0140.00420.48
7.3.310.0130.00419.96
7.3.300.0140.00319.96
7.3.290.0130.00419.98
7.3.280.0130.00519.97
7.3.270.0130.00519.73
7.3.260.0140.00419.73
7.3.250.0120.00419.72
7.3.240.0130.00519.49
7.3.230.0130.00519.50
7.3.220.0140.00419.45
7.3.210.0130.00619.45
7.3.200.0120.00519.43
7.3.190.0140.00419.48
7.3.180.0140.00419.46
7.3.170.0120.00719.30
7.3.160.0110.00619.13
7.3.150.0140.00319.16
7.3.140.0120.00518.76
7.3.130.0110.00618.63
7.3.120.0130.00618.47
7.3.110.0120.00618.46
7.3.100.0110.00618.43
7.3.90.0130.00518.49
7.3.80.0120.00618.07
7.3.70.0100.00718.07
7.3.60.0110.00618.13
7.3.50.0110.00618.10
7.3.40.0110.00718.10
7.3.30.0110.00717.98
7.3.20.0420.00718.86
7.3.10.0510.00618.58
7.3.00.0410.00618.56
7.2.340.0130.00519.49
7.2.330.0130.00719.47
7.2.320.0140.00519.49
7.2.310.0140.00519.47
7.2.300.0130.00619.46
7.2.290.0130.00619.16
7.2.280.0140.00519.14
7.2.270.0130.00618.76
7.2.260.0130.00618.70
7.2.250.0130.00618.69
7.2.240.0130.00718.69
7.2.230.0120.00618.56
7.2.220.0130.00618.36
7.2.210.0120.00618.11
7.2.200.0120.00818.21
7.2.190.0120.00618.17
7.2.180.0120.00718.21
7.2.170.0120.00718.23
7.2.160.0110.00818.08
7.2.150.0650.00618.94
7.2.140.0400.00719.00
7.2.130.0390.00618.79
7.2.120.0160.00718.77
7.2.110.0180.00718.72
7.2.100.0160.00618.71
7.2.90.0170.00618.70
7.2.80.0160.00718.66
7.2.70.0170.00818.55
7.2.60.0170.00718.69
7.2.50.0170.00618.69
7.2.40.0160.00718.71
7.2.30.0170.00718.72
7.2.20.0180.00918.74
7.2.10.0180.00718.73
7.2.00.0170.00718.72
7.1.330.0120.00718.73
7.1.320.0130.00618.35
7.1.310.0120.00618.08
7.1.300.0130.00618.10
7.1.290.0130.00618.11
7.1.280.0130.00518.09
7.1.270.0450.00517.91
7.1.260.0600.00617.90
7.1.250.0480.00617.65
7.1.240.0170.00617.66
7.1.230.0180.00617.67
7.1.220.0200.00717.67
7.1.210.0230.00717.68
7.1.200.0150.00517.71
7.1.190.0170.00517.70
7.1.180.0180.00617.66
7.1.170.0140.00717.68
7.1.160.0150.00617.65
7.1.150.0240.00717.66
7.1.140.0200.00717.65
7.1.130.0150.00717.66
7.1.120.0200.00717.62
7.1.110.0190.00617.62
7.1.100.0200.00617.63
7.1.90.0160.00817.63
7.1.80.0230.00617.64
7.1.70.0300.00717.46
7.1.60.0330.00619.05
7.1.50.0330.00819.10
7.1.40.0270.00619.04
7.1.30.0250.00819.08
7.1.20.0240.00519.02
7.1.10.0240.00617.39
7.1.00.0270.00717.35
7.0.330.0470.00617.38
7.0.320.0170.00617.43
7.0.310.0190.00617.42
7.0.300.0160.00717.39
7.0.290.0150.00617.37
7.0.280.0160.00517.37
7.0.270.0150.00717.38
7.0.260.0180.00717.40
7.0.250.0190.00617.43
7.0.240.0200.00617.46
7.0.230.0180.00717.44
7.0.220.0240.00617.38
7.0.210.0180.00617.30
7.0.200.0320.00717.29
7.0.190.0330.00717.30
7.0.180.0290.00717.26
7.0.170.0240.00617.27
7.0.160.0300.00617.18
7.0.150.0210.00717.16
7.0.140.0230.00717.22
7.0.130.0220.00717.28
7.0.120.0240.00617.31
7.0.110.0200.00717.25
7.0.100.0230.00617.25
7.0.90.0250.00717.18
7.0.80.0230.00517.21
7.0.70.0230.00617.18
7.0.60.0190.00717.22
7.0.50.0210.00717.24
7.0.40.0210.00617.23
7.0.30.0210.00617.27
7.0.20.0200.00617.13
7.0.10.0210.00617.17
7.0.00.0230.00717.13
5.6.400.0120.00717.43
5.6.390.0120.00617.46
5.6.380.0120.00617.22
5.6.370.0130.00617.16
5.6.360.0130.00617.22
5.6.350.0130.00617.20
5.6.340.0120.00717.20
5.6.330.0120.00817.18
5.6.320.0130.00717.19
5.6.310.0130.00617.19
5.6.300.0110.01317.46
5.6.290.0120.01317.50
5.6.280.0130.01217.54
5.6.270.0130.01117.53
5.6.260.0120.01117.52
5.6.250.0130.01317.53
5.6.240.0140.01117.51
5.6.230.0120.01217.57
5.6.220.0130.01117.56
5.6.210.0140.01117.52
5.6.200.0130.01217.61
5.6.190.0130.01217.55
5.6.180.0130.01217.59
5.6.170.0130.01117.53
5.6.160.0130.01217.55
5.6.150.0120.01417.54
5.6.140.0130.01217.54
5.6.130.0130.01117.55
5.6.120.0130.01317.50
5.6.110.0110.01317.49
5.6.100.0120.01217.54
5.6.90.0130.01117.48
5.6.80.0120.01217.40
5.6.70.0120.01117.43
5.6.60.0120.01217.44
5.6.50.0110.01317.45
5.6.40.0120.01217.42
5.6.30.0120.01317.39
5.6.20.0120.01117.36
5.6.10.0120.01017.38
5.6.00.0100.01417.43
5.5.380.0120.01217.04
5.5.370.0120.01217.10
5.5.360.0140.01016.98
5.5.350.0120.01116.94
5.5.340.0110.01316.96
5.5.330.0130.01216.99
5.5.320.0140.01117.00
5.5.310.0130.01117.00
5.5.300.0120.01217.07
5.5.290.0130.01216.99
5.5.280.0120.01216.98
5.5.270.0130.01216.95
5.5.260.0130.01216.99
5.5.250.0130.01217.00
5.5.240.0120.01216.97
5.5.230.0120.01216.98
5.5.220.0130.01016.97
5.5.210.0110.01216.99
5.5.200.0130.01116.87
5.5.190.0120.01216.88
5.5.180.0120.01316.84
5.5.170.0110.00816.85
5.5.160.0130.01116.89
5.5.150.0120.01216.85
5.5.140.0120.01116.80
5.5.130.0120.01216.83
5.5.120.0130.01016.84
5.5.110.0120.01316.85
5.5.100.0120.01316.95
5.5.90.0130.01116.93
5.5.80.0120.01216.90
5.5.70.0120.01216.86
5.5.60.0130.01116.92
5.5.50.0120.01116.90
5.5.40.0110.01216.91
5.5.30.0110.01216.92
5.5.20.0120.01216.88
5.5.10.0130.01216.83
5.5.00.0120.01216.85
5.4.450.0100.01214.91
5.4.440.0110.01014.87
5.4.430.0100.00914.88
5.4.420.0090.01114.88
5.4.410.0110.01014.88
5.4.400.0110.00914.81
5.4.390.0110.01014.84
5.4.380.0100.01014.82
5.4.370.0110.00914.79
5.4.360.0110.01014.81
5.4.350.0110.01014.74
5.4.340.0110.01014.78
5.4.330.0100.00514.41
5.4.320.0100.01114.84
5.4.310.0110.01014.82
5.4.300.0120.01014.86
5.4.290.0100.01014.83
5.4.280.0100.01014.81
5.4.270.0100.01014.79
5.4.260.0110.01014.85
5.4.250.0100.01114.77
5.4.240.0110.00914.79
5.4.230.0110.00914.74
5.4.220.0110.01014.73
5.4.210.0100.01014.73
5.4.200.0100.01014.70
5.4.190.0120.00914.75
5.4.180.0090.01114.73
5.4.170.0110.01014.74
5.4.160.0110.00914.70
5.4.150.0100.01114.76
5.4.140.0100.01114.58
5.4.130.0110.00914.58
5.4.120.0090.01014.62
5.4.110.0100.01014.56
5.4.100.0110.01014.60
5.4.90.0100.00914.58
5.4.80.0100.01114.64
5.4.70.0090.01014.61
5.4.60.0110.00914.62
5.4.50.0100.00914.57
5.4.40.0110.01014.56
5.4.30.0100.01014.61
5.4.20.0100.01014.58
5.4.10.0100.01114.61
5.4.00.0100.01014.49

preferences:
162.05 ms | 1394 KiB | 7 Q